Home / 20,147,008.80-30,220,513.20-14,520,295.20

Finding the Fourth Proportional to 20,147,008.80, 30,220,513.20 and 14,520,295.20

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Solution

The fourth proportional to 20,147,008.80, 30,220,513.20 and 14,520,295.20 is: 21,780,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,008.80 : 30,220,513.20 = 14,520,295.20 : x
  2. Step 2: Convert to fraction form
    20,147,008.80/30,220,513.20 = 14,520,295.20/x
  3. Step 3: Cross multiply
    20,147,008.80x = 30,220,513.20 × 14,520,295.20
  4. Step 4: Simplify right side
    20,147,008.80x = 438,810,772,759,496.62
  5. Step 5: Solve for x
    x = 438,810,772,759,496.62/20,147,008.80
  6. Step 6: Final answer
    x = 21,780,442.80

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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.