Home / 15,202,442.02-20,979,378.81-8,327,038.90

Finding the Fourth Proportional to 15,202,442.02, 20,979,378.81 and 8,327,038.90

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Solution

The fourth proportional to 15,202,442.02, 20,979,378.81 and 8,327,038.90 is: 11,491,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,442.02 : 20,979,378.81 = 8,327,038.90 : x
  2. Step 2: Convert to fraction form
    15,202,442.02/20,979,378.81 = 8,327,038.90/x
  3. Step 3: Cross multiply
    15,202,442.02x = 20,979,378.81 × 8,327,038.90
  4. Step 4: Simplify right side
    15,202,442.02x = 174,696,103,448,705.72
  5. Step 5: Solve for x
    x = 174,696,103,448,705.72/15,202,442.02
  6. Step 6: Final answer
    x = 11,491,318.51

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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.