Home / 12,053,153.92-18,079,730.88-5,320,226.56

Finding the Fourth Proportional to 12,053,153.92, 18,079,730.88 and 5,320,226.56

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Solution

The fourth proportional to 12,053,153.92, 18,079,730.88 and 5,320,226.56 is: 7,980,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053,153.92 : 18,079,730.88 = 5,320,226.56 : x
  2. Step 2: Convert to fraction form
    12,053,153.92/18,079,730.88 = 5,320,226.56/x
  3. Step 3: Cross multiply
    12,053,153.92x = 18,079,730.88 × 5,320,226.56
  4. Step 4: Simplify right side
    12,053,153.92x = 96,188,264,425,428.16
  5. Step 5: Solve for x
    x = 96,188,264,425,428.16/12,053,153.92
  6. Step 6: Final answer
    x = 7,980,339.84

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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.