Home / 20,527,366.17-28,326,612.75-11,234,917.31

Finding the Fourth Proportional to 20,527,366.17, 28,326,612.75 and 11,234,917.31

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Solution

The fourth proportional to 20,527,366.17, 28,326,612.75 and 11,234,917.31 is: 15,503,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,366.17 : 28,326,612.75 = 11,234,917.31 : x
  2. Step 2: Convert to fraction form
    20,527,366.17/28,326,612.75 = 11,234,917.31/x
  3. Step 3: Cross multiply
    20,527,366.17x = 28,326,612.75 × 11,234,917.31
  4. Step 4: Simplify right side
    20,527,366.17x = 318,247,151,777,008.62
  5. Step 5: Solve for x
    x = 318,247,151,777,008.62/20,527,366.17
  6. Step 6: Final answer
    x = 15,503,555.07

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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.