Home / 18,392,697.20-27,589,045.80-8,803,139.60

Finding the Fourth Proportional to 18,392,697.20, 27,589,045.80 and 8,803,139.60

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Solution

The fourth proportional to 18,392,697.20, 27,589,045.80 and 8,803,139.60 is: 13,204,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392,697.20 : 27,589,045.80 = 8,803,139.60 : x
  2. Step 2: Convert to fraction form
    18,392,697.20/27,589,045.80 = 8,803,139.60/x
  3. Step 3: Cross multiply
    18,392,697.20x = 27,589,045.80 × 8,803,139.60
  4. Step 4: Simplify right side
    18,392,697.20x = 242,870,221,608,193.69
  5. Step 5: Solve for x
    x = 242,870,221,608,193.69/18,392,697.20
  6. Step 6: Final answer
    x = 13,204,709.40

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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.