Home / 8,781,977.28-13,119,593.21-5,682,719.73

Finding the Fourth Proportional to 8,781,977.28, 13,119,593.21 and 5,682,719.73

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Solution

The fourth proportional to 8,781,977.28, 13,119,593.21 and 5,682,719.73 is: 8,489,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,977.28 : 13,119,593.21 = 5,682,719.73 : x
  2. Step 2: Convert to fraction form
    8,781,977.28/13,119,593.21 = 5,682,719.73/x
  3. Step 3: Cross multiply
    8,781,977.28x = 13,119,593.21 × 5,682,719.73
  4. Step 4: Simplify right side
    8,781,977.28x = 74,554,971,118,443.06
  5. Step 5: Solve for x
    x = 74,554,971,118,443.06/8,781,977.28
  6. Step 6: Final answer
    x = 8,489,542.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.