Home / 15,192,987.83-20,966,320.61-8,223,664.00

Finding the Fourth Proportional to 15,192,987.83, 20,966,320.61 and 8,223,664.00

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Solution

The fourth proportional to 15,192,987.83, 20,966,320.61 and 8,223,664.00 is: 11,348,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192,987.83 : 20,966,320.61 = 8,223,664.00 : x
  2. Step 2: Convert to fraction form
    15,192,987.83/20,966,320.61 = 8,223,664.00/x
  3. Step 3: Cross multiply
    15,192,987.83x = 20,966,320.61 × 8,223,664.00
  4. Step 4: Simplify right side
    15,192,987.83x = 172,419,975,919,380.91
  5. Step 5: Solve for x
    x = 172,419,975,919,380.91/15,192,987.83
  6. Step 6: Final answer
    x = 11,348,654.91

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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.