Home / 12,529,387.20-18,796,154.40-5,344,363.20

Finding the Fourth Proportional to 12,529,387.20, 18,796,154.40 and 5,344,363.20

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Solution

The fourth proportional to 12,529,387.20, 18,796,154.40 and 5,344,363.20 is: 8,017,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,387.20 : 18,796,154.40 = 5,344,363.20 : x
  2. Step 2: Convert to fraction form
    12,529,387.20/18,796,154.40 = 5,344,363.20/x
  3. Step 3: Cross multiply
    12,529,387.20x = 18,796,154.40 × 5,344,363.20
  4. Step 4: Simplify right side
    12,529,387.20x = 100,453,475,876,878.08
  5. Step 5: Solve for x
    x = 100,453,475,876,878.08/12,529,387.20
  6. Step 6: Final answer
    x = 8,017,429.29

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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.