Home / 15,589,742,996.08-21,514,268,362.05-8,816,574,429.20

Finding the Fourth Proportional to 15,589,742,996.08, 21,514,268,362.05 and 8,816,574,429.20

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Solution

The fourth proportional to 15,589,742,996.08, 21,514,268,362.05 and 8,816,574,429.20 is: 12,167,111,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589,742,996.08 : 21,514,268,362.05 = 8,816,574,429.20 : x
  2. Step 2: Convert to fraction form
    15,589,742,996.08/21,514,268,362.05 = 8,816,574,429.20/x
  3. Step 3: Cross multiply
    15,589,742,996.08x = 21,514,268,362.05 × 8,816,574,429.20
  4. Step 4: Simplify right side
    15,589,742,996.08x = 189,682,148,303,796,600,832
  5. Step 5: Solve for x
    x = 189,682,148,303,796,600,832/15,589,742,996.08
  6. Step 6: Final answer
    x = 12,167,111,949.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.