Home / 18,693,419.40-28,037,213.10-5,917,062.60

Finding the Fourth Proportional to 18,693,419.40, 28,037,213.10 and 5,917,062.60

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Solution

The fourth proportional to 18,693,419.40, 28,037,213.10 and 5,917,062.60 is: 8,874,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,419.40 : 28,037,213.10 = 5,917,062.60 : x
  2. Step 2: Convert to fraction form
    18,693,419.40/28,037,213.10 = 5,917,062.60/x
  3. Step 3: Cross multiply
    18,693,419.40x = 28,037,213.10 × 5,917,062.60
  4. Step 4: Simplify right side
    18,693,419.40x = 165,897,945,042,240.06
  5. Step 5: Solve for x
    x = 165,897,945,042,240.06/18,693,419.40
  6. Step 6: Final answer
    x = 8,874,670.89

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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.