Home / 21,962,595.20-32,981,684.16-21,017,811.20

Finding the Fourth Proportional to 21,962,595.20, 32,981,684.16 and 21,017,811.20

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Solution

The fourth proportional to 21,962,595.20, 32,981,684.16 and 21,017,811.20 is: 31,562,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962,595.20 : 32,981,684.16 = 21,017,811.20 : x
  2. Step 2: Convert to fraction form
    21,962,595.20/32,981,684.16 = 21,017,811.20/x
  3. Step 3: Cross multiply
    21,962,595.20x = 32,981,684.16 × 21,017,811.20
  4. Step 4: Simplify right side
    21,962,595.20x = 693,202,810,732,910.62
  5. Step 5: Solve for x
    x = 693,202,810,732,910.62/21,962,595.20
  6. Step 6: Final answer
    x = 31,562,882.46

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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.