Home / 8,703,901.31-12,006,381.13-5,435,041.55

Finding the Fourth Proportional to 8,703,901.31, 12,006,381.13 and 5,435,041.55

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Solution

The fourth proportional to 8,703,901.31, 12,006,381.13 and 5,435,041.55 is: 7,497,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703,901.31 : 12,006,381.13 = 5,435,041.55 : x
  2. Step 2: Convert to fraction form
    8,703,901.31/12,006,381.13 = 5,435,041.55/x
  3. Step 3: Cross multiply
    8,703,901.31x = 12,006,381.13 × 5,435,041.55
  4. Step 4: Simplify right side
    8,703,901.31x = 65,255,180,306,685.95
  5. Step 5: Solve for x
    x = 65,255,180,306,685.95/8,703,901.31
  6. Step 6: Final answer
    x = 7,497,233.48

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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.