Home / 15,439,621.92-21,309,233.67-8,566,318.32

Finding the Fourth Proportional to 15,439,621.92, 21,309,233.67 and 8,566,318.32

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Solution

The fourth proportional to 15,439,621.92, 21,309,233.67 and 8,566,318.32 is: 11,822,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439,621.92 : 21,309,233.67 = 8,566,318.32 : x
  2. Step 2: Convert to fraction form
    15,439,621.92/21,309,233.67 = 8,566,318.32/x
  3. Step 3: Cross multiply
    15,439,621.92x = 21,309,233.67 × 8,566,318.32
  4. Step 4: Simplify right side
    15,439,621.92x = 182,541,678,772,481.84
  5. Step 5: Solve for x
    x = 182,541,678,772,481.84/15,439,621.92
  6. Step 6: Final answer
    x = 11,822,937.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.