Home / 18,150,660.55-27,225,990.83-4,687,488.55

Finding the Fourth Proportional to 18,150,660.55, 27,225,990.83 and 4,687,488.55

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Solution

The fourth proportional to 18,150,660.55, 27,225,990.83 and 4,687,488.55 is: 7,031,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150,660.55 : 27,225,990.83 = 4,687,488.55 : x
  2. Step 2: Convert to fraction form
    18,150,660.55/27,225,990.83 = 4,687,488.55/x
  3. Step 3: Cross multiply
    18,150,660.55x = 27,225,990.83 × 4,687,488.55
  4. Step 4: Simplify right side
    18,150,660.55x = 127,621,520,254,592.55
  5. Step 5: Solve for x
    x = 127,621,520,254,592.55/18,150,660.55
  6. Step 6: Final answer
    x = 7,031,232.83

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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.