Home / 13,432,074.68-20,146,143.72-6,606,815.83

Finding the Fourth Proportional to 13,432,074.68, 20,146,143.72 and 6,606,815.83

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Solution

The fourth proportional to 13,432,074.68, 20,146,143.72 and 6,606,815.83 is: 9,909,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,074.68 : 20,146,143.72 = 6,606,815.83 : x
  2. Step 2: Convert to fraction form
    13,432,074.68/20,146,143.72 = 6,606,815.83/x
  3. Step 3: Cross multiply
    13,432,074.68x = 20,146,143.72 × 6,606,815.83
  4. Step 4: Simplify right side
    13,432,074.68x = 133,101,861,217,161.28
  5. Step 5: Solve for x
    x = 133,101,861,217,161.28/13,432,074.68
  6. Step 6: Final answer
    x = 9,909,255.60

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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.