Home / 7,171,456.96-9,896,321.64-3,908,201.59

Finding the Fourth Proportional to 7,171,456.96, 9,896,321.64 and 3,908,201.59

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Solution

The fourth proportional to 7,171,456.96, 9,896,321.64 and 3,908,201.59 is: 5,393,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,456.96 : 9,896,321.64 = 3,908,201.59 : x
  2. Step 2: Convert to fraction form
    7,171,456.96/9,896,321.64 = 3,908,201.59/x
  3. Step 3: Cross multiply
    7,171,456.96x = 9,896,321.64 × 3,908,201.59
  4. Step 4: Simplify right side
    7,171,456.96x = 38,676,819,968,599.41
  5. Step 5: Solve for x
    x = 38,676,819,968,599.41/7,171,456.96
  6. Step 6: Final answer
    x = 5,393,160.72

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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.