Home / 18,146,138.60-27,221,799.90-5,364,986.60

Finding the Fourth Proportional to 18,146,138.60, 27,221,799.90 and 5,364,986.60

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Solution

The fourth proportional to 18,146,138.60, 27,221,799.90 and 5,364,986.60 is: 8,048,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,138.60 : 27,221,799.90 = 5,364,986.60 : x
  2. Step 2: Convert to fraction form
    18,146,138.60/27,221,799.90 = 5,364,986.60/x
  3. Step 3: Cross multiply
    18,146,138.60x = 27,221,799.90 × 5,364,986.60
  4. Step 4: Simplify right side
    18,146,138.60x = 146,044,591,691,381.31
  5. Step 5: Solve for x
    x = 146,044,591,691,381.31/18,146,138.60
  6. Step 6: Final answer
    x = 8,048,246.24

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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.