Home / 12,561,765.40-18,842,648.10-12,030,324.40

Finding the Fourth Proportional to 12,561,765.40, 18,842,648.10 and 12,030,324.40

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Solution

The fourth proportional to 12,561,765.40, 18,842,648.10 and 12,030,324.40 is: 18,045,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,765.40 : 18,842,648.10 = 12,030,324.40 : x
  2. Step 2: Convert to fraction form
    12,561,765.40/18,842,648.10 = 12,030,324.40/x
  3. Step 3: Cross multiply
    12,561,765.40x = 18,842,648.10 × 12,030,324.40
  4. Step 4: Simplify right side
    12,561,765.40x = 226,683,169,198,043.66
  5. Step 5: Solve for x
    x = 226,683,169,198,043.66/12,561,765.40
  6. Step 6: Final answer
    x = 18,045,486.60

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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.