Home / 7,042,149.72-9,718,290.50-3,944,646.95

Finding the Fourth Proportional to 7,042,149.72, 9,718,290.50 and 3,944,646.95

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Solution

The fourth proportional to 7,042,149.72, 9,718,290.50 and 3,944,646.95 is: 5,443,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042,149.72 : 9,718,290.50 = 3,944,646.95 : x
  2. Step 2: Convert to fraction form
    7,042,149.72/9,718,290.50 = 3,944,646.95/x
  3. Step 3: Cross multiply
    7,042,149.72x = 9,718,290.50 × 3,944,646.95
  4. Step 4: Simplify right side
    7,042,149.72x = 38,335,224,911,724.28
  5. Step 5: Solve for x
    x = 38,335,224,911,724.28/7,042,149.72
  6. Step 6: Final answer
    x = 5,443,682.18

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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.