Home / 12,083,709.60-18,125,564.40-7,306,135.20

Finding the Fourth Proportional to 12,083,709.60, 18,125,564.40 and 7,306,135.20

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Solution

The fourth proportional to 12,083,709.60, 18,125,564.40 and 7,306,135.20 is: 10,959,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,709.60 : 18,125,564.40 = 7,306,135.20 : x
  2. Step 2: Convert to fraction form
    12,083,709.60/18,125,564.40 = 7,306,135.20/x
  3. Step 3: Cross multiply
    12,083,709.60x = 18,125,564.40 × 7,306,135.20
  4. Step 4: Simplify right side
    12,083,709.60x = 132,427,824,082,706.88
  5. Step 5: Solve for x
    x = 132,427,824,082,706.88/12,083,709.60
  6. Step 6: Final answer
    x = 10,959,202.80

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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.