Home / 31,213,272.80-46,819,909.20-25,539,903.20

Finding the Fourth Proportional to 31,213,272.80, 46,819,909.20 and 25,539,903.20

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Solution

The fourth proportional to 31,213,272.80, 46,819,909.20 and 25,539,903.20 is: 38,309,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213,272.80 : 46,819,909.20 = 25,539,903.20 : x
  2. Step 2: Convert to fraction form
    31,213,272.80/46,819,909.20 = 25,539,903.20/x
  3. Step 3: Cross multiply
    31,213,272.80x = 46,819,909.20 × 25,539,903.20
  4. Step 4: Simplify right side
    31,213,272.80x = 1,195,775,948,800,789.50
  5. Step 5: Solve for x
    x = 1,195,775,948,800,789.50/31,213,272.80
  6. Step 6: Final answer
    x = 38,309,854.80

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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.