Home / 9,181,980.11-13,781,599.29-4,808,258.69

Finding the Fourth Proportional to 9,181,980.11, 13,781,599.29 and 4,808,258.69

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Solution

The fourth proportional to 9,181,980.11, 13,781,599.29 and 4,808,258.69 is: 7,216,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,980.11 : 13,781,599.29 = 4,808,258.69 : x
  2. Step 2: Convert to fraction form
    9,181,980.11/13,781,599.29 = 4,808,258.69/x
  3. Step 3: Cross multiply
    9,181,980.11x = 13,781,599.29 × 4,808,258.69
  4. Step 4: Simplify right side
    9,181,980.11x = 66,265,494,548,240.33
  5. Step 5: Solve for x
    x = 66,265,494,548,240.33/9,181,980.11
  6. Step 6: Final answer
    x = 7,216,906.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.