Home / 10,047,781.35-15,071,672.03-9,963,800.55

Finding the Fourth Proportional to 10,047,781.35, 15,071,672.03 and 9,963,800.55

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Solution

The fourth proportional to 10,047,781.35, 15,071,672.03 and 9,963,800.55 is: 14,945,700.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047,781.35 : 15,071,672.03 = 9,963,800.55 : x
  2. Step 2: Convert to fraction form
    10,047,781.35/15,071,672.03 = 9,963,800.55/x
  3. Step 3: Cross multiply
    10,047,781.35x = 15,071,672.03 × 9,963,800.55
  4. Step 4: Simplify right side
    10,047,781.35x = 150,171,134,012,114.62
  5. Step 5: Solve for x
    x = 150,171,134,012,114.62/10,047,781.35
  6. Step 6: Final answer
    x = 14,945,700.83

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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.