Home / 30,730,200.08-46,128,115.56-13,231,425.68

Finding the Fourth Proportional to 30,730,200.08, 46,128,115.56 and 13,231,425.68

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Solution

The fourth proportional to 30,730,200.08, 46,128,115.56 and 13,231,425.68 is: 19,861,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730,200.08 : 46,128,115.56 = 13,231,425.68 : x
  2. Step 2: Convert to fraction form
    30,730,200.08/46,128,115.56 = 13,231,425.68/x
  3. Step 3: Cross multiply
    30,730,200.08x = 46,128,115.56 × 13,231,425.68
  4. Step 4: Simplify right side
    30,730,200.08x = 610,340,732,790,591.62
  5. Step 5: Solve for x
    x = 610,340,732,790,591.62/30,730,200.08
  6. Step 6: Final answer
    x = 19,861,267.78

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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.