Home / 7,914,437.76-11,869,863.24-4,019,947.20

Finding the Fourth Proportional to 7,914,437.76, 11,869,863.24 and 4,019,947.20

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Solution

The fourth proportional to 7,914,437.76, 11,869,863.24 and 4,019,947.20 is: 6,029,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914,437.76 : 11,869,863.24 = 4,019,947.20 : x
  2. Step 2: Convert to fraction form
    7,914,437.76/11,869,863.24 = 4,019,947.20/x
  3. Step 3: Cross multiply
    7,914,437.76x = 11,869,863.24 × 4,019,947.20
  4. Step 4: Simplify right side
    7,914,437.76x = 47,716,223,496,020.93
  5. Step 5: Solve for x
    x = 47,716,223,496,020.93/7,914,437.76
  6. Step 6: Final answer
    x = 6,029,009.89

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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.