Home / 15,107,573.80-20,847,799.92-8,581,182.94

Finding the Fourth Proportional to 15,107,573.80, 20,847,799.92 and 8,581,182.94

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Solution

The fourth proportional to 15,107,573.80, 20,847,799.92 and 8,581,182.94 is: 11,841,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107,573.80 : 20,847,799.92 = 8,581,182.94 : x
  2. Step 2: Convert to fraction form
    15,107,573.80/20,847,799.92 = 8,581,182.94/x
  3. Step 3: Cross multiply
    15,107,573.80x = 20,847,799.92 × 8,581,182.94
  4. Step 4: Simplify right side
    15,107,573.80x = 178,898,785,010,037.38
  5. Step 5: Solve for x
    x = 178,898,785,010,037.38/15,107,573.80
  6. Step 6: Final answer
    x = 11,841,662.16

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1.5x scale

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.