Home / 13,185,320.40-18,181,876-9,754,704.72

Finding the Fourth Proportional to 13,185,320.40, 18,181,876 and 9,754,704.72

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Solution

The fourth proportional to 13,185,320.40, 18,181,876 and 9,754,704.72 is: 13,451,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,320.40 : 18,181,876 = 9,754,704.72 : x
  2. Step 2: Convert to fraction form
    13,185,320.40/18,181,876 = 9,754,704.72/x
  3. Step 3: Cross multiply
    13,185,320.40x = 18,181,876 × 9,754,704.72
  4. Step 4: Simplify right side
    13,185,320.40x = 177,358,831,635,654.72
  5. Step 5: Solve for x
    x = 177,358,831,635,654.72/13,185,320.40
  6. Step 6: Final answer
    x = 13,451,234.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.