Home / 34,396,659.68-47,465,967.20-18,715,748.72

Finding the Fourth Proportional to 34,396,659.68, 47,465,967.20 and 18,715,748.72

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Solution

The fourth proportional to 34,396,659.68, 47,465,967.20 and 18,715,748.72 is: 25,826,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396,659.68 : 47,465,967.20 = 18,715,748.72 : x
  2. Step 2: Convert to fraction form
    34,396,659.68/47,465,967.20 = 18,715,748.72/x
  3. Step 3: Cross multiply
    34,396,659.68x = 47,465,967.20 × 18,715,748.72
  4. Step 4: Simplify right side
    34,396,659.68x = 888,361,114,866,962
  5. Step 5: Solve for x
    x = 888,361,114,866,962/34,396,659.68
  6. Step 6: Final answer
    x = 25,826,958.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.