Home / 8,578,086.78-11,840,416.92-5,522,301

Finding the Fourth Proportional to 8,578,086.78, 11,840,416.92 and 5,522,301

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Solution

The fourth proportional to 8,578,086.78, 11,840,416.92 and 5,522,301 is: 7,622,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,086.78 : 11,840,416.92 = 5,522,301 : x
  2. Step 2: Convert to fraction form
    8,578,086.78/11,840,416.92 = 5,522,301/x
  3. Step 3: Cross multiply
    8,578,086.78x = 11,840,416.92 × 5,522,301
  4. Step 4: Simplify right side
    8,578,086.78x = 65,386,346,197,732.92
  5. Step 5: Solve for x
    x = 65,386,346,197,732.92/8,578,086.78
  6. Step 6: Final answer
    x = 7,622,485.98

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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.