Home / 9,002,071.31-13,503,107.65-2,178,645.66

Finding the Fourth Proportional to 9,002,071.31, 13,503,107.65 and 2,178,645.66

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Solution

The fourth proportional to 9,002,071.31, 13,503,107.65 and 2,178,645.66 is: 3,267,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002,071.31 : 13,503,107.65 = 2,178,645.66 : x
  2. Step 2: Convert to fraction form
    9,002,071.31/13,503,107.65 = 2,178,645.66/x
  3. Step 3: Cross multiply
    9,002,071.31x = 13,503,107.65 × 2,178,645.66
  4. Step 4: Simplify right side
    9,002,071.31x = 29,418,486,867,631.94
  5. Step 5: Solve for x
    x = 29,418,486,867,631.94/9,002,071.31
  6. Step 6: Final answer
    x = 3,267,968.66

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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.