Home / 15,248,431.20-21,042,982.67-8,373,060.88

Finding the Fourth Proportional to 15,248,431.20, 21,042,982.67 and 8,373,060.88

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Solution

The fourth proportional to 15,248,431.20, 21,042,982.67 and 8,373,060.88 is: 11,554,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248,431.20 : 21,042,982.67 = 8,373,060.88 : x
  2. Step 2: Convert to fraction form
    15,248,431.20/21,042,982.67 = 8,373,060.88/x
  3. Step 3: Cross multiply
    15,248,431.20x = 21,042,982.67 × 8,373,060.88
  4. Step 4: Simplify right side
    15,248,431.20x = 176,194,174,992,694.97
  5. Step 5: Solve for x
    x = 176,194,174,992,694.97/15,248,431.20
  6. Step 6: Final answer
    x = 11,554,905.07

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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.