Home / 12,446,966.56-18,659,800.55-4,776,116.20

Finding the Fourth Proportional to 12,446,966.56, 18,659,800.55 and 4,776,116.20

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Solution

The fourth proportional to 12,446,966.56, 18,659,800.55 and 4,776,116.20 is: 7,160,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,966.56 : 18,659,800.55 = 4,776,116.20 : x
  2. Step 2: Convert to fraction form
    12,446,966.56/18,659,800.55 = 4,776,116.20/x
  3. Step 3: Cross multiply
    12,446,966.56x = 18,659,800.55 × 4,776,116.20
  4. Step 4: Simplify right side
    12,446,966.56x = 89,121,375,695,623.92
  5. Step 5: Solve for x
    x = 89,121,375,695,623.92/12,446,966.56
  6. Step 6: Final answer
    x = 7,160,087.98

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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.