Home / 15,191,940.26-20,964,875.96-8,222,616.59

Finding the Fourth Proportional to 15,191,940.26, 20,964,875.96 and 8,222,616.59

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Solution

The fourth proportional to 15,191,940.26, 20,964,875.96 and 8,222,616.59 is: 11,347,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,940.26 : 20,964,875.96 = 8,222,616.59 : x
  2. Step 2: Convert to fraction form
    15,191,940.26/20,964,875.96 = 8,222,616.59/x
  3. Step 3: Cross multiply
    15,191,940.26x = 20,964,875.96 × 8,222,616.59
  4. Step 4: Simplify right side
    15,191,940.26x = 172,386,136,875,988.19
  5. Step 5: Solve for x
    x = 172,386,136,875,988.19/15,191,940.26
  6. Step 6: Final answer
    x = 11,347,210.03

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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.