Home / 8,748,049.70-13,122,074.55-7,826,885.30

Finding the Fourth Proportional to 8,748,049.70, 13,122,074.55 and 7,826,885.30

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Solution

The fourth proportional to 8,748,049.70, 13,122,074.55 and 7,826,885.30 is: 11,740,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,049.70 : 13,122,074.55 = 7,826,885.30 : x
  2. Step 2: Convert to fraction form
    8,748,049.70/13,122,074.55 = 7,826,885.30/x
  3. Step 3: Cross multiply
    8,748,049.70x = 13,122,074.55 × 7,826,885.30
  4. Step 4: Simplify right side
    8,748,049.70x = 102,704,972,400,899.12
  5. Step 5: Solve for x
    x = 102,704,972,400,899.12/8,748,049.70
  6. Step 6: Final answer
    x = 11,740,327.95

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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.