Home / 30,945,440.46-42,702,206.25-17,893,545.90

Finding the Fourth Proportional to 30,945,440.46, 42,702,206.25 and 17,893,545.90

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Solution

The fourth proportional to 30,945,440.46, 42,702,206.25 and 17,893,545.90 is: 24,691,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,440.46 : 42,702,206.25 = 17,893,545.90 : x
  2. Step 2: Convert to fraction form
    30,945,440.46/42,702,206.25 = 17,893,545.90/x
  3. Step 3: Cross multiply
    30,945,440.46x = 42,702,206.25 × 17,893,545.90
  4. Step 4: Simplify right side
    30,945,440.46x = 764,093,887,565,641.75
  5. Step 5: Solve for x
    x = 764,093,887,565,641.75/30,945,440.46
  6. Step 6: Final answer
    x = 24,691,646.85

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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.