Home / 9,181,187.20-13,756,034.40-4,378,535.20

Finding the Fourth Proportional to 9,181,187.20, 13,756,034.40 and 4,378,535.20

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Solution

The fourth proportional to 9,181,187.20, 13,756,034.40 and 4,378,535.20 is: 6,560,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,187.20 : 13,756,034.40 = 4,378,535.20 : x
  2. Step 2: Convert to fraction form
    9,181,187.20/13,756,034.40 = 4,378,535.20/x
  3. Step 3: Cross multiply
    9,181,187.20x = 13,756,034.40 × 4,378,535.20
  4. Step 4: Simplify right side
    9,181,187.20x = 60,231,280,832,810.88
  5. Step 5: Solve for x
    x = 60,231,280,832,810.88/9,181,187.20
  6. Step 6: Final answer
    x = 6,560,293.30

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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.