Home / 18,146,330.10-27,188,002.35-15,311,978.10

Finding the Fourth Proportional to 18,146,330.10, 27,188,002.35 and 15,311,978.10

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Solution

The fourth proportional to 18,146,330.10, 27,188,002.35 and 15,311,978.10 is: 22,941,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,330.10 : 27,188,002.35 = 15,311,978.10 : x
  2. Step 2: Convert to fraction form
    18,146,330.10/27,188,002.35 = 15,311,978.10/x
  3. Step 3: Cross multiply
    18,146,330.10x = 27,188,002.35 × 15,311,978.10
  4. Step 4: Simplify right side
    18,146,330.10x = 416,302,096,565,948.56
  5. Step 5: Solve for x
    x = 416,302,096,565,948.56/18,146,330.10
  6. Step 6: Final answer
    x = 22,941,393.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.