Home / 7,161,205.40-10,726,061.70-3,791,475.80

Finding the Fourth Proportional to 7,161,205.40, 10,726,061.70 and 3,791,475.80

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Solution

The fourth proportional to 7,161,205.40, 10,726,061.70 and 3,791,475.80 is: 5,678,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,205.40 : 10,726,061.70 = 3,791,475.80 : x
  2. Step 2: Convert to fraction form
    7,161,205.40/10,726,061.70 = 3,791,475.80/x
  3. Step 3: Cross multiply
    7,161,205.40x = 10,726,061.70 × 3,791,475.80
  4. Step 4: Simplify right side
    7,161,205.40x = 40,667,603,364,856.85
  5. Step 5: Solve for x
    x = 40,667,603,364,856.85/7,161,205.40
  6. Step 6: Final answer
    x = 5,678,876.82

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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.