Home / 12,711,954.30-19,067,931.45-4,191,839.70

Finding the Fourth Proportional to 12,711,954.30, 19,067,931.45 and 4,191,839.70

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Solution

The fourth proportional to 12,711,954.30, 19,067,931.45 and 4,191,839.70 is: 6,287,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,954.30 : 19,067,931.45 = 4,191,839.70 : x
  2. Step 2: Convert to fraction form
    12,711,954.30/19,067,931.45 = 4,191,839.70/x
  3. Step 3: Cross multiply
    12,711,954.30x = 19,067,931.45 × 4,191,839.70
  4. Step 4: Simplify right side
    12,711,954.30x = 79,929,712,048,988.56
  5. Step 5: Solve for x
    x = 79,929,712,048,988.56/12,711,954.30
  6. Step 6: Final answer
    x = 6,287,759.55

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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.