Home / 9,019,692.78-12,447,685.17-5,350,781.58

Finding the Fourth Proportional to 9,019,692.78, 12,447,685.17 and 5,350,781.58

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Solution

The fourth proportional to 9,019,692.78, 12,447,685.17 and 5,350,781.58 is: 7,384,380.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019,692.78 : 12,447,685.17 = 5,350,781.58 : x
  2. Step 2: Convert to fraction form
    9,019,692.78/12,447,685.17 = 5,350,781.58/x
  3. Step 3: Cross multiply
    9,019,692.78x = 12,447,685.17 × 5,350,781.58
  4. Step 4: Simplify right side
    9,019,692.78x = 66,604,844,521,275.17
  5. Step 5: Solve for x
    x = 66,604,844,521,275.17/9,019,692.78
  6. Step 6: Final answer
    x = 7,384,380.62

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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.