Home / 12,711,540.64-19,067,967.60-4,191,532.96

Finding the Fourth Proportional to 12,711,540.64, 19,067,967.60 and 4,191,532.96

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Solution

The fourth proportional to 12,711,540.64, 19,067,967.60 and 4,191,532.96 is: 6,287,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,540.64 : 19,067,967.60 = 4,191,532.96 : x
  2. Step 2: Convert to fraction form
    12,711,540.64/19,067,967.60 = 4,191,532.96/x
  3. Step 3: Cross multiply
    12,711,540.64x = 19,067,967.60 × 4,191,532.96
  4. Step 4: Simplify right side
    12,711,540.64x = 79,924,014,675,612.09
  5. Step 5: Solve for x
    x = 79,924,014,675,612.09/12,711,540.64
  6. Step 6: Final answer
    x = 6,287,515.96

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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.