Home / 8,939,169.77-12,335,822.02-5,218,713.71

Finding the Fourth Proportional to 8,939,169.77, 12,335,822.02 and 5,218,713.71

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Solution

The fourth proportional to 8,939,169.77, 12,335,822.02 and 5,218,713.71 is: 7,201,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939,169.77 : 12,335,822.02 = 5,218,713.71 : x
  2. Step 2: Convert to fraction form
    8,939,169.77/12,335,822.02 = 5,218,713.71/x
  3. Step 3: Cross multiply
    8,939,169.77x = 12,335,822.02 × 5,218,713.71
  4. Step 4: Simplify right side
    8,939,169.77x = 64,377,123,575,061.54
  5. Step 5: Solve for x
    x = 64,377,123,575,061.54/8,939,169.77
  6. Step 6: Final answer
    x = 7,201,689.33

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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.