Home / 9,791,327.91-13,512,356.47-5,381,209.86

Finding the Fourth Proportional to 9,791,327.91, 13,512,356.47 and 5,381,209.86

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Solution

The fourth proportional to 9,791,327.91, 13,512,356.47 and 5,381,209.86 is: 7,426,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791,327.91 : 13,512,356.47 = 5,381,209.86 : x
  2. Step 2: Convert to fraction form
    9,791,327.91/13,512,356.47 = 5,381,209.86/x
  3. Step 3: Cross multiply
    9,791,327.91x = 13,512,356.47 × 5,381,209.86
  4. Step 4: Simplify right side
    9,791,327.91x = 72,712,825,868,198.80
  5. Step 5: Solve for x
    x = 72,712,825,868,198.80/9,791,327.91
  6. Step 6: Final answer
    x = 7,426,247.65

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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.