Home / 11,104,170.12-15,289,689.40-9,719,766.32

Finding the Fourth Proportional to 11,104,170.12, 15,289,689.40 and 9,719,766.32

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Solution

The fourth proportional to 11,104,170.12, 15,289,689.40 and 9,719,766.32 is: 13,383,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104,170.12 : 15,289,689.40 = 9,719,766.32 : x
  2. Step 2: Convert to fraction form
    11,104,170.12/15,289,689.40 = 9,719,766.32/x
  3. Step 3: Cross multiply
    11,104,170.12x = 15,289,689.40 × 9,719,766.32
  4. Step 4: Simplify right side
    11,104,170.12x = 148,612,207,972,633.16
  5. Step 5: Solve for x
    x = 148,612,207,972,633.16/11,104,170.12
  6. Step 6: Final answer
    x = 13,383,459.22

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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.