Home / 12,037,112.20-18,055,668.30-5,318,648.20

Finding the Fourth Proportional to 12,037,112.20, 18,055,668.30 and 5,318,648.20

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Solution

The fourth proportional to 12,037,112.20, 18,055,668.30 and 5,318,648.20 is: 7,977,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037,112.20 : 18,055,668.30 = 5,318,648.20 : x
  2. Step 2: Convert to fraction form
    12,037,112.20/18,055,668.30 = 5,318,648.20/x
  3. Step 3: Cross multiply
    12,037,112.20x = 18,055,668.30 × 5,318,648.20
  4. Step 4: Simplify right side
    12,037,112.20x = 96,031,747,703,592.06
  5. Step 5: Solve for x
    x = 96,031,747,703,592.06/12,037,112.20
  6. Step 6: Final answer
    x = 7,977,972.30

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Double scale
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Similar ratio
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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.