Home / 20,423,729.60-30,604,101.60-17,715,348.80

Finding the Fourth Proportional to 20,423,729.60, 30,604,101.60 and 17,715,348.80

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Solution

The fourth proportional to 20,423,729.60, 30,604,101.60 and 17,715,348.80 is: 26,545,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423,729.60 : 30,604,101.60 = 17,715,348.80 : x
  2. Step 2: Convert to fraction form
    20,423,729.60/30,604,101.60 = 17,715,348.80/x
  3. Step 3: Cross multiply
    20,423,729.60x = 30,604,101.60 × 17,715,348.80
  4. Step 4: Simplify right side
    20,423,729.60x = 542,162,334,554,638.12
  5. Step 5: Solve for x
    x = 542,162,334,554,638.12/20,423,729.60
  6. Step 6: Final answer
    x = 26,545,706.64

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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.