Home / 6,120,916.20-9,181,374.30-5,176,132.20

Finding the Fourth Proportional to 6,120,916.20, 9,181,374.30 and 5,176,132.20

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Solution

The fourth proportional to 6,120,916.20, 9,181,374.30 and 5,176,132.20 is: 7,764,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,916.20 : 9,181,374.30 = 5,176,132.20 : x
  2. Step 2: Convert to fraction form
    6,120,916.20/9,181,374.30 = 5,176,132.20/x
  3. Step 3: Cross multiply
    6,120,916.20x = 9,181,374.30 × 5,176,132.20
  4. Step 4: Simplify right side
    6,120,916.20x = 47,524,007,154,482.47
  5. Step 5: Solve for x
    x = 47,524,007,154,482.47/6,120,916.20
  6. Step 6: Final answer
    x = 7,764,198.30

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Double scale
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1.5x scale

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.