Home / 12,776,843.60-19,165,265.40-12,146,987.60

Finding the Fourth Proportional to 12,776,843.60, 19,165,265.40 and 12,146,987.60

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Solution

The fourth proportional to 12,776,843.60, 19,165,265.40 and 12,146,987.60 is: 18,220,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,843.60 : 19,165,265.40 = 12,146,987.60 : x
  2. Step 2: Convert to fraction form
    12,776,843.60/19,165,265.40 = 12,146,987.60/x
  3. Step 3: Cross multiply
    12,776,843.60x = 19,165,265.40 × 12,146,987.60
  4. Step 4: Simplify right side
    12,776,843.60x = 232,800,241,164,509
  5. Step 5: Solve for x
    x = 232,800,241,164,509/12,776,843.60
  6. Step 6: Final answer
    x = 18,220,481.40

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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.