Home / 28,446,654.67-39,246,773.47-18,519,016.84

Finding the Fourth Proportional to 28,446,654.67, 39,246,773.47 and 18,519,016.84

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Solution

The fourth proportional to 28,446,654.67, 39,246,773.47 and 18,519,016.84 is: 25,549,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,654.67 : 39,246,773.47 = 18,519,016.84 : x
  2. Step 2: Convert to fraction form
    28,446,654.67/39,246,773.47 = 18,519,016.84/x
  3. Step 3: Cross multiply
    28,446,654.67x = 39,246,773.47 × 18,519,016.84
  4. Step 4: Simplify right side
    28,446,654.67x = 726,811,658,662,180.75
  5. Step 5: Solve for x
    x = 726,811,658,662,180.75/28,446,654.67
  6. Step 6: Final answer
    x = 25,549,987.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.