Home / 25,391,095.20-38,023,657.20-20,352,247.20

Finding the Fourth Proportional to 25,391,095.20, 38,023,657.20 and 20,352,247.20

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Solution

The fourth proportional to 25,391,095.20, 38,023,657.20 and 20,352,247.20 is: 30,477,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391,095.20 : 38,023,657.20 = 20,352,247.20 : x
  2. Step 2: Convert to fraction form
    25,391,095.20/38,023,657.20 = 20,352,247.20/x
  3. Step 3: Cross multiply
    25,391,095.20x = 38,023,657.20 × 20,352,247.20
  4. Step 4: Simplify right side
    25,391,095.20x = 773,866,870,782,459.88
  5. Step 5: Solve for x
    x = 773,866,870,782,459.88/25,391,095.20
  6. Step 6: Final answer
    x = 30,477,884.66

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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.