Home / 12,561,766.40-18,842,649.60-12,030,325.40

Finding the Fourth Proportional to 12,561,766.40, 18,842,649.60 and 12,030,325.40

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Solution

The fourth proportional to 12,561,766.40, 18,842,649.60 and 12,030,325.40 is: 18,045,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,766.40 : 18,842,649.60 = 12,030,325.40 : x
  2. Step 2: Convert to fraction form
    12,561,766.40/18,842,649.60 = 12,030,325.40/x
  3. Step 3: Cross multiply
    12,561,766.40x = 18,842,649.60 × 12,030,325.40
  4. Step 4: Simplify right side
    12,561,766.40x = 226,683,206,086,179.88
  5. Step 5: Solve for x
    x = 226,683,206,086,179.88/12,561,766.40
  6. Step 6: Final answer
    x = 18,045,488.10

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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.