Home / 20,826,068.76-31,227,141.87-11,098,705.86

Finding the Fourth Proportional to 20,826,068.76, 31,227,141.87 and 11,098,705.86

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Solution

The fourth proportional to 20,826,068.76, 31,227,141.87 and 11,098,705.86 is: 16,641,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,826,068.76 : 31,227,141.87 = 11,098,705.86 : x
  2. Step 2: Convert to fraction form
    20,826,068.76/31,227,141.87 = 11,098,705.86/x
  3. Step 3: Cross multiply
    20,826,068.76x = 31,227,141.87 × 11,098,705.86
  4. Step 4: Simplify right side
    20,826,068.76x = 346,580,862,463,620.38
  5. Step 5: Solve for x
    x = 346,580,862,463,620.38/20,826,068.76
  6. Step 6: Final answer
    x = 16,641,684.35

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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.