Home / 20,114,890.20-30,172,335.30-7,335,811.80

Finding the Fourth Proportional to 20,114,890.20, 30,172,335.30 and 7,335,811.80

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Solution

The fourth proportional to 20,114,890.20, 30,172,335.30 and 7,335,811.80 is: 11,003,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114,890.20 : 30,172,335.30 = 7,335,811.80 : x
  2. Step 2: Convert to fraction form
    20,114,890.20/30,172,335.30 = 7,335,811.80/x
  3. Step 3: Cross multiply
    20,114,890.20x = 30,172,335.30 × 7,335,811.80
  4. Step 4: Simplify right side
    20,114,890.20x = 221,338,573,327,296.53
  5. Step 5: Solve for x
    x = 221,338,573,327,296.53/20,114,890.20
  6. Step 6: Final answer
    x = 11,003,717.70

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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.