Home / 12,797,906.40-19,196,859.60-11,538,194.40

Finding the Fourth Proportional to 12,797,906.40, 19,196,859.60 and 11,538,194.40

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Solution

The fourth proportional to 12,797,906.40, 19,196,859.60 and 11,538,194.40 is: 17,307,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797,906.40 : 19,196,859.60 = 11,538,194.40 : x
  2. Step 2: Convert to fraction form
    12,797,906.40/19,196,859.60 = 11,538,194.40/x
  3. Step 3: Cross multiply
    12,797,906.40x = 19,196,859.60 × 11,538,194.40
  4. Step 4: Simplify right side
    12,797,906.40x = 221,497,097,934,306.25
  5. Step 5: Solve for x
    x = 221,497,097,934,306.25/12,797,906.40
  6. Step 6: Final answer
    x = 17,307,291.60

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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.