Home / 20,347,960.80-30,521,941.20-7,565,820.60

Finding the Fourth Proportional to 20,347,960.80, 30,521,941.20 and 7,565,820.60

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Solution

The fourth proportional to 20,347,960.80, 30,521,941.20 and 7,565,820.60 is: 11,348,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347,960.80 : 30,521,941.20 = 7,565,820.60 : x
  2. Step 2: Convert to fraction form
    20,347,960.80/30,521,941.20 = 7,565,820.60/x
  3. Step 3: Cross multiply
    20,347,960.80x = 30,521,941.20 × 7,565,820.60
  4. Step 4: Simplify right side
    20,347,960.80x = 230,923,531,482,948.69
  5. Step 5: Solve for x
    x = 230,923,531,482,948.69/20,347,960.80
  6. Step 6: Final answer
    x = 11,348,730.90

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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.