Home / 7,534,965.44-10,400,529.12-5,121,917.12

Finding the Fourth Proportional to 7,534,965.44, 10,400,529.12 and 5,121,917.12

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Solution

The fourth proportional to 7,534,965.44, 10,400,529.12 and 5,121,917.12 is: 7,069,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534,965.44 : 10,400,529.12 = 5,121,917.12 : x
  2. Step 2: Convert to fraction form
    7,534,965.44/10,400,529.12 = 5,121,917.12/x
  3. Step 3: Cross multiply
    7,534,965.44x = 10,400,529.12 × 5,121,917.12
  4. Step 4: Simplify right side
    7,534,965.44x = 53,270,648,156,786.53
  5. Step 5: Solve for x
    x = 53,270,648,156,786.53/7,534,965.44
  6. Step 6: Final answer
    x = 7,069,793.30

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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.