Home / 10,863,507.70-16,295,261.55-9,666,781.30

Finding the Fourth Proportional to 10,863,507.70, 16,295,261.55 and 9,666,781.30

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Solution

The fourth proportional to 10,863,507.70, 16,295,261.55 and 9,666,781.30 is: 14,500,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,507.70 : 16,295,261.55 = 9,666,781.30 : x
  2. Step 2: Convert to fraction form
    10,863,507.70/16,295,261.55 = 9,666,781.30/x
  3. Step 3: Cross multiply
    10,863,507.70x = 16,295,261.55 × 9,666,781.30
  4. Step 4: Simplify right side
    10,863,507.70x = 157,522,729,630,149.03
  5. Step 5: Solve for x
    x = 157,522,729,630,149.03/10,863,507.70
  6. Step 6: Final answer
    x = 14,500,171.95

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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.