Home / 42,528,006.30-63,792,009.45-25,479,903.90

Finding the Fourth Proportional to 42,528,006.30, 63,792,009.45 and 25,479,903.90

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Solution

The fourth proportional to 42,528,006.30, 63,792,009.45 and 25,479,903.90 is: 38,219,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,528,006.30 : 63,792,009.45 = 25,479,903.90 : x
  2. Step 2: Convert to fraction form
    42,528,006.30/63,792,009.45 = 25,479,903.90/x
  3. Step 3: Cross multiply
    42,528,006.30x = 63,792,009.45 × 25,479,903.90
  4. Step 4: Simplify right side
    42,528,006.30x = 1,625,414,270,373,891.75
  5. Step 5: Solve for x
    x = 1,625,414,270,373,891.75/42,528,006.30
  6. Step 6: Final answer
    x = 38,219,855.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.