Home / 12,490,854.30-18,736,281.45-9,653,003.10

Finding the Fourth Proportional to 12,490,854.30, 18,736,281.45 and 9,653,003.10

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Solution

The fourth proportional to 12,490,854.30, 18,736,281.45 and 9,653,003.10 is: 14,479,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,854.30 : 18,736,281.45 = 9,653,003.10 : x
  2. Step 2: Convert to fraction form
    12,490,854.30/18,736,281.45 = 9,653,003.10/x
  3. Step 3: Cross multiply
    12,490,854.30x = 18,736,281.45 × 9,653,003.10
  4. Step 4: Simplify right side
    12,490,854.30x = 180,861,382,919,322.47
  5. Step 5: Solve for x
    x = 180,861,382,919,322.47/12,490,854.30
  6. Step 6: Final answer
    x = 14,479,504.65

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Double scale
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Similar ratio
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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.