Home / 12,580,363.67-18,868,443.30-3,483,380.79

Finding the Fourth Proportional to 12,580,363.67, 18,868,443.30 and 3,483,380.79

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Solution

The fourth proportional to 12,580,363.67, 18,868,443.30 and 3,483,380.79 is: 5,224,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580,363.67 : 18,868,443.30 = 3,483,380.79 : x
  2. Step 2: Convert to fraction form
    12,580,363.67/18,868,443.30 = 3,483,380.79/x
  3. Step 3: Cross multiply
    12,580,363.67x = 18,868,443.30 × 3,483,380.79
  4. Step 4: Simplify right side
    12,580,363.67x = 65,725,972,928,424.21
  5. Step 5: Solve for x
    x = 65,725,972,928,424.21/12,580,363.67
  6. Step 6: Final answer
    x = 5,224,489.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.