Home / 7,171,258.96-9,896,339.10-3,908,074.60

Finding the Fourth Proportional to 7,171,258.96, 9,896,339.10 and 3,908,074.60

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Solution

The fourth proportional to 7,171,258.96, 9,896,339.10 and 3,908,074.60 is: 5,393,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,258.96 : 9,896,339.10 = 3,908,074.60 : x
  2. Step 2: Convert to fraction form
    7,171,258.96/9,896,339.10 = 3,908,074.60/x
  3. Step 3: Cross multiply
    7,171,258.96x = 9,896,339.10 × 3,908,074.60
  4. Step 4: Simplify right side
    7,171,258.96x = 38,675,631,469,696.86
  5. Step 5: Solve for x
    x = 38,675,631,469,696.86/7,171,258.96
  6. Step 6: Final answer
    x = 5,393,143.89

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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.