Home / 18,146,687.60-27,220,031.40-16,320,105.20

Finding the Fourth Proportional to 18,146,687.60, 27,220,031.40 and 16,320,105.20

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Solution

The fourth proportional to 18,146,687.60, 27,220,031.40 and 16,320,105.20 is: 24,480,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,687.60 : 27,220,031.40 = 16,320,105.20 : x
  2. Step 2: Convert to fraction form
    18,146,687.60/27,220,031.40 = 16,320,105.20/x
  3. Step 3: Cross multiply
    18,146,687.60x = 27,220,031.40 × 16,320,105.20
  4. Step 4: Simplify right side
    18,146,687.60x = 444,233,775,995,303.25
  5. Step 5: Solve for x
    x = 444,233,775,995,303.25/18,146,687.60
  6. Step 6: Final answer
    x = 24,480,157.80

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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.