Home / 20,522,899.04-28,321,164.15-11,230,432.03

Finding the Fourth Proportional to 20,522,899.04, 28,321,164.15 and 11,230,432.03

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Solution

The fourth proportional to 20,522,899.04, 28,321,164.15 and 11,230,432.03 is: 15,497,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,899.04 : 28,321,164.15 = 11,230,432.03 : x
  2. Step 2: Convert to fraction form
    20,522,899.04/28,321,164.15 = 11,230,432.03/x
  3. Step 3: Cross multiply
    20,522,899.04x = 28,321,164.15 × 11,230,432.03
  4. Step 4: Simplify right side
    20,522,899.04x = 318,058,908,997,047.69
  5. Step 5: Solve for x
    x = 318,058,908,997,047.69/20,522,899.04
  6. Step 6: Final answer
    x = 15,497,757.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.