Home / 11,016,513-15,202,459.62-6,121,719.72

Finding the Fourth Proportional to 11,016,513, 15,202,459.62 and 6,121,719.72

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Solution

The fourth proportional to 11,016,513, 15,202,459.62 and 6,121,719.72 is: 8,447,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016,513 : 15,202,459.62 = 6,121,719.72 : x
  2. Step 2: Convert to fraction form
    11,016,513/15,202,459.62 = 6,121,719.72/x
  3. Step 3: Cross multiply
    11,016,513x = 15,202,459.62 × 6,121,719.72
  4. Step 4: Simplify right side
    11,016,513x = 93,065,196,848,257.70
  5. Step 5: Solve for x
    x = 93,065,196,848,257.70/11,016,513
  6. Step 6: Final answer
    x = 8,447,790.77

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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.