Home / 19,764,138.30-29,646,207.45-6,985,934.70

Finding the Fourth Proportional to 19,764,138.30, 29,646,207.45 and 6,985,934.70

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Solution

The fourth proportional to 19,764,138.30, 29,646,207.45 and 6,985,934.70 is: 10,478,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764,138.30 : 29,646,207.45 = 6,985,934.70 : x
  2. Step 2: Convert to fraction form
    19,764,138.30/29,646,207.45 = 6,985,934.70/x
  3. Step 3: Cross multiply
    19,764,138.30x = 29,646,207.45 × 6,985,934.70
  4. Step 4: Simplify right side
    19,764,138.30x = 207,106,469,348,353.50
  5. Step 5: Solve for x
    x = 207,106,469,348,353.50/19,764,138.30
  6. Step 6: Final answer
    x = 10,478,902.05

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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.