Home / 15,268,291.50-21,070,286.01-8,742,021.06

Finding the Fourth Proportional to 15,268,291.50, 21,070,286.01 and 8,742,021.06

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Solution

The fourth proportional to 15,268,291.50, 21,070,286.01 and 8,742,021.06 is: 12,064,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,291.50 : 21,070,286.01 = 8,742,021.06 : x
  2. Step 2: Convert to fraction form
    15,268,291.50/21,070,286.01 = 8,742,021.06/x
  3. Step 3: Cross multiply
    15,268,291.50x = 21,070,286.01 × 8,742,021.06
  4. Step 4: Simplify right side
    15,268,291.50x = 184,196,884,039,643.41
  5. Step 5: Solve for x
    x = 184,196,884,039,643.41/15,268,291.50
  6. Step 6: Final answer
    x = 12,064,014.11

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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.