Home / 9,086,458.15-13,616,401.20-7,731,283.60

Finding the Fourth Proportional to 9,086,458.15, 13,616,401.20 and 7,731,283.60

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Solution

The fourth proportional to 9,086,458.15, 13,616,401.20 and 7,731,283.60 is: 11,585,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086,458.15 : 13,616,401.20 = 7,731,283.60 : x
  2. Step 2: Convert to fraction form
    9,086,458.15/13,616,401.20 = 7,731,283.60/x
  3. Step 3: Cross multiply
    9,086,458.15x = 13,616,401.20 × 7,731,283.60
  4. Step 4: Simplify right side
    9,086,458.15x = 105,272,259,288,580.31
  5. Step 5: Solve for x
    x = 105,272,259,288,580.31/9,086,458.15
  6. Step 6: Final answer
    x = 11,585,620.88

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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.