Home / 28,190,471.13-38,903,919.54-15,800,793.54

Finding the Fourth Proportional to 28,190,471.13, 38,903,919.54 and 15,800,793.54

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Solution

The fourth proportional to 28,190,471.13, 38,903,919.54 and 15,800,793.54 is: 21,805,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190,471.13 : 38,903,919.54 = 15,800,793.54 : x
  2. Step 2: Convert to fraction form
    28,190,471.13/38,903,919.54 = 15,800,793.54/x
  3. Step 3: Cross multiply
    28,190,471.13x = 38,903,919.54 × 15,800,793.54
  4. Step 4: Simplify right side
    28,190,471.13x = 614,712,800,548,311.75
  5. Step 5: Solve for x
    x = 614,712,800,548,311.75/28,190,471.13
  6. Step 6: Final answer
    x = 21,805,694.47

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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.