Home / 12,280,209.42-18,420,357.33-3,760,508.46

Finding the Fourth Proportional to 12,280,209.42, 18,420,357.33 and 3,760,508.46

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Solution

The fourth proportional to 12,280,209.42, 18,420,357.33 and 3,760,508.46 is: 5,640,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,209.42 : 18,420,357.33 = 3,760,508.46 : x
  2. Step 2: Convert to fraction form
    12,280,209.42/18,420,357.33 = 3,760,508.46/x
  3. Step 3: Cross multiply
    12,280,209.42x = 18,420,357.33 × 3,760,508.46
  4. Step 4: Simplify right side
    12,280,209.42x = 69,269,909,575,688.01
  5. Step 5: Solve for x
    x = 69,269,909,575,688.01/12,280,209.42
  6. Step 6: Final answer
    x = 5,640,775.92

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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.