Home / 7,171,411.26-9,896,258.82-3,908,155.94

Finding the Fourth Proportional to 7,171,411.26, 9,896,258.82 and 3,908,155.94

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Solution

The fourth proportional to 7,171,411.26, 9,896,258.82 and 3,908,155.94 is: 5,393,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,411.26 : 9,896,258.82 = 3,908,155.94 : x
  2. Step 2: Convert to fraction form
    7,171,411.26/9,896,258.82 = 3,908,155.94/x
  3. Step 3: Cross multiply
    7,171,411.26x = 9,896,258.82 × 3,908,155.94
  4. Step 4: Simplify right side
    7,171,411.26x = 38,676,122,691,160.39
  5. Step 5: Solve for x
    x = 38,676,122,691,160.39/7,171,411.26
  6. Step 6: Final answer
    x = 5,393,097.86

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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.