Home / 8,806,720.17-12,148,112.42-5,538,350.73

Finding the Fourth Proportional to 8,806,720.17, 12,148,112.42 and 5,538,350.73

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Solution

The fourth proportional to 8,806,720.17, 12,148,112.42 and 5,538,350.73 is: 7,639,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,720.17 : 12,148,112.42 = 5,538,350.73 : x
  2. Step 2: Convert to fraction form
    8,806,720.17/12,148,112.42 = 5,538,350.73/x
  3. Step 3: Cross multiply
    8,806,720.17x = 12,148,112.42 × 5,538,350.73
  4. Step 4: Simplify right side
    8,806,720.17x = 67,280,507,261,737.31
  5. Step 5: Solve for x
    x = 67,280,507,261,737.31/8,806,720.17
  6. Step 6: Final answer
    x = 7,639,678.11

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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.