Home / 15,061,076.68-20,784,422.10-8,185,574.92

Finding the Fourth Proportional to 15,061,076.68, 20,784,422.10 and 8,185,574.92

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Solution

The fourth proportional to 15,061,076.68, 20,784,422.10 and 8,185,574.92 is: 11,296,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061,076.68 : 20,784,422.10 = 8,185,574.92 : x
  2. Step 2: Convert to fraction form
    15,061,076.68/20,784,422.10 = 8,185,574.92/x
  3. Step 3: Cross multiply
    15,061,076.68x = 20,784,422.10 × 8,185,574.92
  4. Step 4: Simplify right side
    15,061,076.68x = 170,132,444,268,453.75
  5. Step 5: Solve for x
    x = 170,132,444,268,453.75/15,061,076.68
  6. Step 6: Final answer
    x = 11,296,167.46

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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.