Home / 8,901,493.92-13,319,153.76-5,309,215.20

Finding the Fourth Proportional to 8,901,493.92, 13,319,153.76 and 5,309,215.20

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Solution

The fourth proportional to 8,901,493.92, 13,319,153.76 and 5,309,215.20 is: 7,944,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901,493.92 : 13,319,153.76 = 5,309,215.20 : x
  2. Step 2: Convert to fraction form
    8,901,493.92/13,319,153.76 = 5,309,215.20/x
  3. Step 3: Cross multiply
    8,901,493.92x = 13,319,153.76 × 5,309,215.20
  4. Step 4: Simplify right side
    8,901,493.92x = 70,714,253,593,729.16
  5. Step 5: Solve for x
    x = 70,714,253,593,729.16/8,901,493.92
  6. Step 6: Final answer
    x = 7,944,088.29

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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.