Home / 9,690,786.11-13,373,570.09-5,340,152.67

Finding the Fourth Proportional to 9,690,786.11, 13,373,570.09 and 5,340,152.67

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Solution

The fourth proportional to 9,690,786.11, 13,373,570.09 and 5,340,152.67 is: 7,369,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690,786.11 : 13,373,570.09 = 5,340,152.67 : x
  2. Step 2: Convert to fraction form
    9,690,786.11/13,373,570.09 = 5,340,152.67/x
  3. Step 3: Cross multiply
    9,690,786.11x = 13,373,570.09 × 5,340,152.67
  4. Step 4: Simplify right side
    9,690,786.11x = 71,416,906,023,545.64
  5. Step 5: Solve for x
    x = 71,416,906,023,545.64/9,690,786.11
  6. Step 6: Final answer
    x = 7,369,567.88

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1.5x scale

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.