Home / 20,187,792.80-30,281,689.20-14,767,094.60

Finding the Fourth Proportional to 20,187,792.80, 30,281,689.20 and 14,767,094.60

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Solution

The fourth proportional to 20,187,792.80, 30,281,689.20 and 14,767,094.60 is: 22,150,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,792.80 : 30,281,689.20 = 14,767,094.60 : x
  2. Step 2: Convert to fraction form
    20,187,792.80/30,281,689.20 = 14,767,094.60/x
  3. Step 3: Cross multiply
    20,187,792.80x = 30,281,689.20 × 14,767,094.60
  4. Step 4: Simplify right side
    20,187,792.80x = 447,172,569,064,198.31
  5. Step 5: Solve for x
    x = 447,172,569,064,198.31/20,187,792.80
  6. Step 6: Final answer
    x = 22,150,641.90

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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.