Home / 20,549,174.45-28,350,951.35-11,847,156.12

Finding the Fourth Proportional to 20,549,174.45, 28,350,951.35 and 11,847,156.12

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Solution

The fourth proportional to 20,549,174.45, 28,350,951.35 and 11,847,156.12 is: 16,345,092.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,174.45 : 28,350,951.35 = 11,847,156.12 : x
  2. Step 2: Convert to fraction form
    20,549,174.45/28,350,951.35 = 11,847,156.12/x
  3. Step 3: Cross multiply
    20,549,174.45x = 28,350,951.35 × 11,847,156.12
  4. Step 4: Simplify right side
    20,549,174.45x = 335,878,146,734,738.94
  5. Step 5: Solve for x
    x = 335,878,146,734,738.94/20,549,174.45
  6. Step 6: Final answer
    x = 16,345,092.00

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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.