Home / 28,747,337.40-43,121,006.10-18,543,670.20

Finding the Fourth Proportional to 28,747,337.40, 43,121,006.10 and 18,543,670.20

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Solution

The fourth proportional to 28,747,337.40, 43,121,006.10 and 18,543,670.20 is: 27,815,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747,337.40 : 43,121,006.10 = 18,543,670.20 : x
  2. Step 2: Convert to fraction form
    28,747,337.40/43,121,006.10 = 18,543,670.20/x
  3. Step 3: Cross multiply
    28,747,337.40x = 43,121,006.10 × 18,543,670.20
  4. Step 4: Simplify right side
    28,747,337.40x = 799,621,715,810,588.25
  5. Step 5: Solve for x
    x = 799,621,715,810,588.25/28,747,337.40
  6. Step 6: Final answer
    x = 27,815,505.30

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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.