Home / 15,861,481.18-21,888,767.87-8,985,947.02

Finding the Fourth Proportional to 15,861,481.18, 21,888,767.87 and 8,985,947.02

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Solution

The fourth proportional to 15,861,481.18, 21,888,767.87 and 8,985,947.02 is: 12,400,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861,481.18 : 21,888,767.87 = 8,985,947.02 : x
  2. Step 2: Convert to fraction form
    15,861,481.18/21,888,767.87 = 8,985,947.02/x
  3. Step 3: Cross multiply
    15,861,481.18x = 21,888,767.87 × 8,985,947.02
  4. Step 4: Simplify right side
    15,861,481.18x = 196,691,308,412,898.25
  5. Step 5: Solve for x
    x = 196,691,308,412,898.25/15,861,481.18
  6. Step 6: Final answer
    x = 12,400,563.74

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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.