Home / 13,432,135.53-20,146,234.86-6,606,876.72

Finding the Fourth Proportional to 13,432,135.53, 20,146,234.86 and 6,606,876.72

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Solution

The fourth proportional to 13,432,135.53, 20,146,234.86 and 6,606,876.72 is: 9,909,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,135.53 : 20,146,234.86 = 6,606,876.72 : x
  2. Step 2: Convert to fraction form
    13,432,135.53/20,146,234.86 = 6,606,876.72/x
  3. Step 3: Cross multiply
    13,432,135.53x = 20,146,234.86 × 6,606,876.72
  4. Step 4: Simplify right side
    13,432,135.53x = 133,103,690,092,186.45
  5. Step 5: Solve for x
    x = 133,103,690,092,186.45/13,432,135.53
  6. Step 6: Final answer
    x = 9,909,346.86

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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.