Home / 31,723,770.80-47,585,656.20-20,953,233.20

Finding the Fourth Proportional to 31,723,770.80, 47,585,656.20 and 20,953,233.20

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Solution

The fourth proportional to 31,723,770.80, 47,585,656.20 and 20,953,233.20 is: 31,429,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723,770.80 : 47,585,656.20 = 20,953,233.20 : x
  2. Step 2: Convert to fraction form
    31,723,770.80/47,585,656.20 = 20,953,233.20/x
  3. Step 3: Cross multiply
    31,723,770.80x = 47,585,656.20 × 20,953,233.20
  4. Step 4: Simplify right side
    31,723,770.80x = 997,073,351,333,625.88
  5. Step 5: Solve for x
    x = 997,073,351,333,625.88/31,723,770.80
  6. Step 6: Final answer
    x = 31,429,849.80

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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.