Home / 8,121,661.59-11,212,989.27-5,226,084.54

Finding the Fourth Proportional to 8,121,661.59, 11,212,989.27 and 5,226,084.54

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Solution

The fourth proportional to 8,121,661.59, 11,212,989.27 and 5,226,084.54 is: 7,215,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,661.59 : 11,212,989.27 = 5,226,084.54 : x
  2. Step 2: Convert to fraction form
    8,121,661.59/11,212,989.27 = 5,226,084.54/x
  3. Step 3: Cross multiply
    8,121,661.59x = 11,212,989.27 × 5,226,084.54
  4. Step 4: Simplify right side
    8,121,661.59x = 58,600,029,871,132.88
  5. Step 5: Solve for x
    x = 58,600,029,871,132.88/8,121,661.59
  6. Step 6: Final answer
    x = 7,215,275.99

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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.