Home / 18,693,339.30-27,991,056.60-15,030,600.30

Finding the Fourth Proportional to 18,693,339.30, 27,991,056.60 and 15,030,600.30

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Solution

The fourth proportional to 18,693,339.30, 27,991,056.60 and 15,030,600.30 is: 22,506,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,339.30 : 27,991,056.60 = 15,030,600.30 : x
  2. Step 2: Convert to fraction form
    18,693,339.30/27,991,056.60 = 15,030,600.30/x
  3. Step 3: Cross multiply
    18,693,339.30x = 27,991,056.60 × 15,030,600.30
  4. Step 4: Simplify right side
    18,693,339.30x = 420,722,383,729,277
  5. Step 5: Solve for x
    x = 420,722,383,729,277/18,693,339.30
  6. Step 6: Final answer
    x = 22,506,539.73

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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.