Home / 18,146,419.60-27,219,629.40-16,319,837.20

Finding the Fourth Proportional to 18,146,419.60, 27,219,629.40 and 16,319,837.20

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Solution

The fourth proportional to 18,146,419.60, 27,219,629.40 and 16,319,837.20 is: 24,479,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,419.60 : 27,219,629.40 = 16,319,837.20 : x
  2. Step 2: Convert to fraction form
    18,146,419.60/27,219,629.40 = 16,319,837.20/x
  3. Step 3: Cross multiply
    18,146,419.60x = 27,219,629.40 × 16,319,837.20
  4. Step 4: Simplify right side
    18,146,419.60x = 444,219,920,452,333.62
  5. Step 5: Solve for x
    x = 444,219,920,452,333.62/18,146,419.60
  6. Step 6: Final answer
    x = 24,479,755.80

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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.