Home / 20,474,441.12-30,717,400.80-8,960,911.76

Finding the Fourth Proportional to 20,474,441.12, 30,717,400.80 and 8,960,911.76

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Solution

The fourth proportional to 20,474,441.12, 30,717,400.80 and 8,960,911.76 is: 13,443,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,474,441.12 : 30,717,400.80 = 8,960,911.76 : x
  2. Step 2: Convert to fraction form
    20,474,441.12/30,717,400.80 = 8,960,911.76/x
  3. Step 3: Cross multiply
    20,474,441.12x = 30,717,400.80 × 8,960,911.76
  4. Step 4: Simplify right side
    20,474,441.12x = 275,255,918,065,353.41
  5. Step 5: Solve for x
    x = 275,255,918,065,353.41/20,474,441.12
  6. Step 6: Final answer
    x = 13,443,879.44

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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.