Home / 27,921,803.10-41,882,704.65-20,747,349.60

Finding the Fourth Proportional to 27,921,803.10, 41,882,704.65 and 20,747,349.60

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Solution

The fourth proportional to 27,921,803.10, 41,882,704.65 and 20,747,349.60 is: 31,121,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921,803.10 : 41,882,704.65 = 20,747,349.60 : x
  2. Step 2: Convert to fraction form
    27,921,803.10/41,882,704.65 = 20,747,349.60/x
  3. Step 3: Cross multiply
    27,921,803.10x = 41,882,704.65 × 20,747,349.60
  4. Step 4: Simplify right side
    27,921,803.10x = 868,955,115,567,095.62
  5. Step 5: Solve for x
    x = 868,955,115,567,095.62/27,921,803.10
  6. Step 6: Final answer
    x = 31,121,024.40

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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.