Home / 9,250,499.20-12,765,534.24-5,120,441.68

Finding the Fourth Proportional to 9,250,499.20, 12,765,534.24 and 5,120,441.68

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Solution

The fourth proportional to 9,250,499.20, 12,765,534.24 and 5,120,441.68 is: 7,066,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250,499.20 : 12,765,534.24 = 5,120,441.68 : x
  2. Step 2: Convert to fraction form
    9,250,499.20/12,765,534.24 = 5,120,441.68/x
  3. Step 3: Cross multiply
    9,250,499.20x = 12,765,534.24 × 5,120,441.68
  4. Step 4: Simplify right side
    9,250,499.20x = 65,365,173,589,963.12
  5. Step 5: Solve for x
    x = 65,365,173,589,963.12/9,250,499.20
  6. Step 6: Final answer
    x = 7,066,123.91

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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.