Home / 15,202,444.02-20,979,381.57-8,327,040.90

Finding the Fourth Proportional to 15,202,444.02, 20,979,381.57 and 8,327,040.90

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Solution

The fourth proportional to 15,202,444.02, 20,979,381.57 and 8,327,040.90 is: 11,491,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,444.02 : 20,979,381.57 = 8,327,040.90 : x
  2. Step 2: Convert to fraction form
    15,202,444.02/20,979,381.57 = 8,327,040.90/x
  3. Step 3: Cross multiply
    15,202,444.02x = 20,979,381.57 × 8,327,040.90
  4. Step 4: Simplify right side
    15,202,444.02x = 174,696,168,390,096.22
  5. Step 5: Solve for x
    x = 174,696,168,390,096.22/15,202,444.02
  6. Step 6: Final answer
    x = 11,491,321.27

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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.