Home / 28,377,454.74-39,160,887.18-15,324,713.34

Finding the Fourth Proportional to 28,377,454.74, 39,160,887.18 and 15,324,713.34

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Solution

The fourth proportional to 28,377,454.74, 39,160,887.18 and 15,324,713.34 is: 21,148,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,454.74 : 39,160,887.18 = 15,324,713.34 : x
  2. Step 2: Convert to fraction form
    28,377,454.74/39,160,887.18 = 15,324,713.34/x
  3. Step 3: Cross multiply
    28,377,454.74x = 39,160,887.18 × 15,324,713.34
  4. Step 4: Simplify right side
    28,377,454.74x = 600,129,369,901,153
  5. Step 5: Solve for x
    x = 600,129,369,901,153/28,377,454.74
  6. Step 6: Final answer
    x = 21,148,104.20

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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.