Home / 15,195,737.92-20,970,041.76-8,320,095.04

Finding the Fourth Proportional to 15,195,737.92, 20,970,041.76 and 8,320,095.04

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Solution

The fourth proportional to 15,195,737.92, 20,970,041.76 and 8,320,095.04 is: 11,481,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195,737.92 : 20,970,041.76 = 8,320,095.04 : x
  2. Step 2: Convert to fraction form
    15,195,737.92/20,970,041.76 = 8,320,095.04/x
  3. Step 3: Cross multiply
    15,195,737.92x = 20,970,041.76 × 8,320,095.04
  4. Step 4: Simplify right side
    15,195,737.92x = 174,472,740,435,968.88
  5. Step 5: Solve for x
    x = 174,472,740,435,968.88/15,195,737.92
  6. Step 6: Final answer
    x = 11,481,689.23

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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.