Home / 28,976,148.64-39,970,435.32-18,092,236.96

Finding the Fourth Proportional to 28,976,148.64, 39,970,435.32 and 18,092,236.96

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Solution

The fourth proportional to 28,976,148.64, 39,970,435.32 and 18,092,236.96 is: 24,956,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976,148.64 : 39,970,435.32 = 18,092,236.96 : x
  2. Step 2: Convert to fraction form
    28,976,148.64/39,970,435.32 = 18,092,236.96/x
  3. Step 3: Cross multiply
    28,976,148.64x = 39,970,435.32 × 18,092,236.96
  4. Step 4: Simplify right side
    28,976,148.64x = 723,154,587,203,793.50
  5. Step 5: Solve for x
    x = 723,154,587,203,793.50/28,976,148.64
  6. Step 6: Final answer
    x = 24,956,891.14

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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.