Home / 28,490,734.91-42,740,358.75-9,060,594.78

Finding the Fourth Proportional to 28,490,734.91, 42,740,358.75 and 9,060,594.78

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Solution

The fourth proportional to 28,490,734.91, 42,740,358.75 and 9,060,594.78 is: 13,592,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490,734.91 : 42,740,358.75 = 9,060,594.78 : x
  2. Step 2: Convert to fraction form
    28,490,734.91/42,740,358.75 = 9,060,594.78/x
  3. Step 3: Cross multiply
    28,490,734.91x = 42,740,358.75 × 9,060,594.78
  4. Step 4: Simplify right side
    28,490,734.91x = 387,253,071,385,577.31
  5. Step 5: Solve for x
    x = 387,253,071,385,577.31/28,490,734.91
  6. Step 6: Final answer
    x = 13,592,245.78

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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.