Home / 15,145,755.25-21,042,239.32-14,964,151.90

Finding the Fourth Proportional to 15,145,755.25, 21,042,239.32 and 14,964,151.90

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Solution

The fourth proportional to 15,145,755.25, 21,042,239.32 and 14,964,151.90 is: 20,789,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145,755.25 : 21,042,239.32 = 14,964,151.90 : x
  2. Step 2: Convert to fraction form
    15,145,755.25/21,042,239.32 = 14,964,151.90/x
  3. Step 3: Cross multiply
    15,145,755.25x = 21,042,239.32 × 14,964,151.90
  4. Step 4: Simplify right side
    15,145,755.25x = 314,879,265,500,632.75
  5. Step 5: Solve for x
    x = 314,879,265,500,632.75/15,145,755.25
  6. Step 6: Final answer
    x = 20,789,934.89

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.