Home / 7,117,858.38-9,822,629.98-3,854,672.13

Finding the Fourth Proportional to 7,117,858.38, 9,822,629.98 and 3,854,672.13

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Solution

The fourth proportional to 7,117,858.38, 9,822,629.98 and 3,854,672.13 is: 5,319,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,858.38 : 9,822,629.98 = 3,854,672.13 : x
  2. Step 2: Convert to fraction form
    7,117,858.38/9,822,629.98 = 3,854,672.13/x
  3. Step 3: Cross multiply
    7,117,858.38x = 9,822,629.98 × 3,854,672.13
  4. Step 4: Simplify right side
    7,117,858.38x = 37,863,018,027,208.46
  5. Step 5: Solve for x
    x = 37,863,018,027,208.46/7,117,858.38
  6. Step 6: Final answer
    x = 5,319,439.64

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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.