Home / 9,515,595.12-13,131,716.76-5,385,626.16

Finding the Fourth Proportional to 9,515,595.12, 13,131,716.76 and 5,385,626.16

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Solution

The fourth proportional to 9,515,595.12, 13,131,716.76 and 5,385,626.16 is: 7,432,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,595.12 : 13,131,716.76 = 5,385,626.16 : x
  2. Step 2: Convert to fraction form
    9,515,595.12/13,131,716.76 = 5,385,626.16/x
  3. Step 3: Cross multiply
    9,515,595.12x = 13,131,716.76 × 5,385,626.16
  4. Step 4: Simplify right side
    9,515,595.12x = 70,722,517,308,366.44
  5. Step 5: Solve for x
    x = 70,722,517,308,366.44/9,515,595.12
  6. Step 6: Final answer
    x = 7,432,274.75

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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.