Home / 6,628,560.20-9,145,213.92-5,402,758.04

Finding the Fourth Proportional to 6,628,560.20, 9,145,213.92 and 5,402,758.04

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Solution

The fourth proportional to 6,628,560.20, 9,145,213.92 and 5,402,758.04 is: 7,454,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,560.20 : 9,145,213.92 = 5,402,758.04 : x
  2. Step 2: Convert to fraction form
    6,628,560.20/9,145,213.92 = 5,402,758.04/x
  3. Step 3: Cross multiply
    6,628,560.20x = 9,145,213.92 × 5,402,758.04
  4. Step 4: Simplify right side
    6,628,560.20x = 49,409,378,033,799.91
  5. Step 5: Solve for x
    x = 49,409,378,033,799.91/6,628,560.20
  6. Step 6: Final answer
    x = 7,454,013.62

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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.