Home / 13,149,028.30-19,723,542.45-8,614,065.10

Finding the Fourth Proportional to 13,149,028.30, 19,723,542.45 and 8,614,065.10

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Solution

The fourth proportional to 13,149,028.30, 19,723,542.45 and 8,614,065.10 is: 12,921,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,028.30 : 19,723,542.45 = 8,614,065.10 : x
  2. Step 2: Convert to fraction form
    13,149,028.30/19,723,542.45 = 8,614,065.10/x
  3. Step 3: Cross multiply
    13,149,028.30x = 19,723,542.45 × 8,614,065.10
  4. Step 4: Simplify right side
    13,149,028.30x = 169,899,878,666,913.47
  5. Step 5: Solve for x
    x = 169,899,878,666,913.47/13,149,028.30
  6. Step 6: Final answer
    x = 12,921,097.65

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Double scale
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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.