Home / 18,134,630.90-27,189,320.43-8,031,775.22

Finding the Fourth Proportional to 18,134,630.90, 27,189,320.43 and 8,031,775.22

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Solution

The fourth proportional to 18,134,630.90, 27,189,320.43 and 8,031,775.22 is: 12,042,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,630.90 : 27,189,320.43 = 8,031,775.22 : x
  2. Step 2: Convert to fraction form
    18,134,630.90/27,189,320.43 = 8,031,775.22/x
  3. Step 3: Cross multiply
    18,134,630.90x = 27,189,320.43 × 8,031,775.22
  4. Step 4: Simplify right side
    18,134,630.90x = 218,378,510,078,313.75
  5. Step 5: Solve for x
    x = 218,378,510,078,313.75/18,134,630.90
  6. Step 6: Final answer
    x = 12,042,070.85

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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.