Home / 10,100,131.92-13,928,950.80-7,895,286

Finding the Fourth Proportional to 10,100,131.92, 13,928,950.80 and 7,895,286

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Solution

The fourth proportional to 10,100,131.92, 13,928,950.80 and 7,895,286 is: 10,888,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100,131.92 : 13,928,950.80 = 7,895,286 : x
  2. Step 2: Convert to fraction form
    10,100,131.92/13,928,950.80 = 7,895,286/x
  3. Step 3: Cross multiply
    10,100,131.92x = 13,928,950.80 × 7,895,286
  4. Step 4: Simplify right side
    10,100,131.92x = 109,973,050,245,928.81
  5. Step 5: Solve for x
    x = 109,973,050,245,928.81/10,100,131.92
  6. Step 6: Final answer
    x = 10,888,278.60

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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.