Home / 6,427,780.11-8,870,887.47-3,527,731.57

Finding the Fourth Proportional to 6,427,780.11, 8,870,887.47 and 3,527,731.57

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Solution

The fourth proportional to 6,427,780.11, 8,870,887.47 and 3,527,731.57 is: 4,868,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,780.11 : 8,870,887.47 = 3,527,731.57 : x
  2. Step 2: Convert to fraction form
    6,427,780.11/8,870,887.47 = 3,527,731.57/x
  3. Step 3: Cross multiply
    6,427,780.11x = 8,870,887.47 × 3,527,731.57
  4. Step 4: Simplify right side
    6,427,780.11x = 31,294,109,781,836.43
  5. Step 5: Solve for x
    x = 31,294,109,781,836.43/6,427,780.11
  6. Step 6: Final answer
    x = 4,868,571.92

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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.