Home / 12,260,425.92-18,392,165.60-4,172,780.04

Finding the Fourth Proportional to 12,260,425.92, 18,392,165.60 and 4,172,780.04

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Solution

The fourth proportional to 12,260,425.92, 18,392,165.60 and 4,172,780.04 is: 6,259,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,425.92 : 18,392,165.60 = 4,172,780.04 : x
  2. Step 2: Convert to fraction form
    12,260,425.92/18,392,165.60 = 4,172,780.04/x
  3. Step 3: Cross multiply
    12,260,425.92x = 18,392,165.60 × 4,172,780.04
  4. Step 4: Simplify right side
    12,260,425.92x = 76,746,461,508,054.62
  5. Step 5: Solve for x
    x = 76,746,461,508,054.62/12,260,425.92
  6. Step 6: Final answer
    x = 6,259,689.67

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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.