Home / 27,402,379.71-37,815,270.90-16,389,129.20

Finding the Fourth Proportional to 27,402,379.71, 37,815,270.90 and 16,389,129.20

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Solution

The fourth proportional to 27,402,379.71, 37,815,270.90 and 16,389,129.20 is: 22,616,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402,379.71 : 37,815,270.90 = 16,389,129.20 : x
  2. Step 2: Convert to fraction form
    27,402,379.71/37,815,270.90 = 16,389,129.20/x
  3. Step 3: Cross multiply
    27,402,379.71x = 37,815,270.90 × 16,389,129.20
  4. Step 4: Simplify right side
    27,402,379.71x = 619,759,360,581,612.12
  5. Step 5: Solve for x
    x = 619,759,360,581,612.12/27,402,379.71
  6. Step 6: Final answer
    x = 22,616,990.46

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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.