Home / 15,918,909.24-21,968,873.46-8,951,779.20

Finding the Fourth Proportional to 15,918,909.24, 21,968,873.46 and 8,951,779.20

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Solution

The fourth proportional to 15,918,909.24, 21,968,873.46 and 8,951,779.20 is: 12,353,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918,909.24 : 21,968,873.46 = 8,951,779.20 : x
  2. Step 2: Convert to fraction form
    15,918,909.24/21,968,873.46 = 8,951,779.20/x
  3. Step 3: Cross multiply
    15,918,909.24x = 21,968,873.46 × 8,951,779.20
  4. Step 4: Simplify right side
    15,918,909.24x = 196,660,504,486,660.03
  5. Step 5: Solve for x
    x = 196,660,504,486,660.03/15,918,909.24
  6. Step 6: Final answer
    x = 12,353,893.19

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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.