Home / 7,117,857.38-9,822,628.60-3,854,671.13

Finding the Fourth Proportional to 7,117,857.38, 9,822,628.60 and 3,854,671.13

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Solution

The fourth proportional to 7,117,857.38, 9,822,628.60 and 3,854,671.13 is: 5,319,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,857.38 : 9,822,628.60 = 3,854,671.13 : x
  2. Step 2: Convert to fraction form
    7,117,857.38/9,822,628.60 = 3,854,671.13/x
  3. Step 3: Cross multiply
    7,117,857.38x = 9,822,628.60 × 3,854,671.13
  4. Step 4: Simplify right side
    7,117,857.38x = 37,863,002,826,382.50
  5. Step 5: Solve for x
    x = 37,863,002,826,382.50/7,117,857.38
  6. Step 6: Final answer
    x = 5,319,438.26

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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.