Home / 19,423,540.80-29,135,311.20-6,642,129.60

Finding the Fourth Proportional to 19,423,540.80, 29,135,311.20 and 6,642,129.60

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Solution

The fourth proportional to 19,423,540.80, 29,135,311.20 and 6,642,129.60 is: 9,963,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,540.80 : 29,135,311.20 = 6,642,129.60 : x
  2. Step 2: Convert to fraction form
    19,423,540.80/29,135,311.20 = 6,642,129.60/x
  3. Step 3: Cross multiply
    19,423,540.80x = 29,135,311.20 × 6,642,129.60
  4. Step 4: Simplify right side
    19,423,540.80x = 193,520,512,926,731.50
  5. Step 5: Solve for x
    x = 193,520,512,926,731.50/19,423,540.80
  6. Step 6: Final answer
    x = 9,963,194.40

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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.