Home / 12,083,704.60-18,125,556.90-7,306,130.20

Finding the Fourth Proportional to 12,083,704.60, 18,125,556.90 and 7,306,130.20

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Solution

The fourth proportional to 12,083,704.60, 18,125,556.90 and 7,306,130.20 is: 10,959,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,704.60 : 18,125,556.90 = 7,306,130.20 : x
  2. Step 2: Convert to fraction form
    12,083,704.60/18,125,556.90 = 7,306,130.20/x
  3. Step 3: Cross multiply
    12,083,704.60x = 18,125,556.90 × 7,306,130.20
  4. Step 4: Simplify right side
    12,083,704.60x = 132,427,678,658,908.38
  5. Step 5: Solve for x
    x = 132,427,678,658,908.38/12,083,704.60
  6. Step 6: Final answer
    x = 10,959,195.30

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1.5x scale

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.