Home / 12,745,793.59-19,100,144.61-7,877,706.55

Finding the Fourth Proportional to 12,745,793.59, 19,100,144.61 and 7,877,706.55

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Solution

The fourth proportional to 12,745,793.59, 19,100,144.61 and 7,877,706.55 is: 11,805,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,793.59 : 19,100,144.61 = 7,877,706.55 : x
  2. Step 2: Convert to fraction form
    12,745,793.59/19,100,144.61 = 7,877,706.55/x
  3. Step 3: Cross multiply
    12,745,793.59x = 19,100,144.61 × 7,877,706.55
  4. Step 4: Simplify right side
    12,745,793.59x = 150,465,334,260,755.66
  5. Step 5: Solve for x
    x = 150,465,334,260,755.66/12,745,793.59
  6. Step 6: Final answer
    x = 11,805,097.36

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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.