Home / 21,567,126.88-32,350,598.16-8,784,780.64

Finding the Fourth Proportional to 21,567,126.88, 32,350,598.16 and 8,784,780.64

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Solution

The fourth proportional to 21,567,126.88, 32,350,598.16 and 8,784,780.64 is: 13,177,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567,126.88 : 32,350,598.16 = 8,784,780.64 : x
  2. Step 2: Convert to fraction form
    21,567,126.88/32,350,598.16 = 8,784,780.64/x
  3. Step 3: Cross multiply
    21,567,126.88x = 32,350,598.16 × 8,784,780.64
  4. Step 4: Simplify right side
    21,567,126.88x = 284,192,908,408,387.62
  5. Step 5: Solve for x
    x = 284,192,908,408,387.62/21,567,126.88
  6. Step 6: Final answer
    x = 13,177,133.42

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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.