Home / 20,137,191.30-30,205,786.95-14,510,477.70

Finding the Fourth Proportional to 20,137,191.30, 30,205,786.95 and 14,510,477.70

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Solution

The fourth proportional to 20,137,191.30, 30,205,786.95 and 14,510,477.70 is: 21,765,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137,191.30 : 30,205,786.95 = 14,510,477.70 : x
  2. Step 2: Convert to fraction form
    20,137,191.30/30,205,786.95 = 14,510,477.70/x
  3. Step 3: Cross multiply
    20,137,191.30x = 30,205,786.95 × 14,510,477.70
  4. Step 4: Simplify right side
    20,137,191.30x = 438,300,397,948,926
  5. Step 5: Solve for x
    x = 438,300,397,948,926/20,137,191.30
  6. Step 6: Final answer
    x = 21,765,716.55

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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.