Home / 12,248,583.80-18,372,875.70-4,170,680.60

Finding the Fourth Proportional to 12,248,583.80, 18,372,875.70 and 4,170,680.60

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Solution

The fourth proportional to 12,248,583.80, 18,372,875.70 and 4,170,680.60 is: 6,256,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,583.80 : 18,372,875.70 = 4,170,680.60 : x
  2. Step 2: Convert to fraction form
    12,248,583.80/18,372,875.70 = 4,170,680.60/x
  3. Step 3: Cross multiply
    12,248,583.80x = 18,372,875.70 × 4,170,680.60
  4. Step 4: Simplify right side
    12,248,583.80x = 76,627,396,248,201.42
  5. Step 5: Solve for x
    x = 76,627,396,248,201.42/12,248,583.80
  6. Step 6: Final answer
    x = 6,256,020.90

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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.