Home / 28,662,354.47-39,553,773.91-15,609,831.41

Finding the Fourth Proportional to 28,662,354.47, 39,553,773.91 and 15,609,831.41

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Solution

The fourth proportional to 28,662,354.47, 39,553,773.91 and 15,609,831.41 is: 21,541,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,354.47 : 39,553,773.91 = 15,609,831.41 : x
  2. Step 2: Convert to fraction form
    28,662,354.47/39,553,773.91 = 15,609,831.41/x
  3. Step 3: Cross multiply
    28,662,354.47x = 39,553,773.91 × 15,609,831.41
  4. Step 4: Simplify right side
    28,662,354.47x = 617,427,742,127,563
  5. Step 5: Solve for x
    x = 617,427,742,127,563/28,662,354.47
  6. Step 6: Final answer
    x = 21,541,417.43

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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.