Home / 12,776,435.60-19,164,653.40-3,800,987.60

Finding the Fourth Proportional to 12,776,435.60, 19,164,653.40 and 3,800,987.60

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Solution

The fourth proportional to 12,776,435.60, 19,164,653.40 and 3,800,987.60 is: 5,701,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,435.60 : 19,164,653.40 = 3,800,987.60 : x
  2. Step 2: Convert to fraction form
    12,776,435.60/19,164,653.40 = 3,800,987.60/x
  3. Step 3: Cross multiply
    12,776,435.60x = 19,164,653.40 × 3,800,987.60
  4. Step 4: Simplify right side
    12,776,435.60x = 72,844,609,931,697.84
  5. Step 5: Solve for x
    x = 72,844,609,931,697.84/12,776,435.60
  6. Step 6: Final answer
    x = 5,701,481.40

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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.