Home / 7,693,431.60-11,540,147.40-3,205,124.40

Finding the Fourth Proportional to 7,693,431.60, 11,540,147.40 and 3,205,124.40

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Solution

The fourth proportional to 7,693,431.60, 11,540,147.40 and 3,205,124.40 is: 4,807,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693,431.60 : 11,540,147.40 = 3,205,124.40 : x
  2. Step 2: Convert to fraction form
    7,693,431.60/11,540,147.40 = 3,205,124.40/x
  3. Step 3: Cross multiply
    7,693,431.60x = 11,540,147.40 × 3,205,124.40
  4. Step 4: Simplify right side
    7,693,431.60x = 36,987,608,011,336.56
  5. Step 5: Solve for x
    x = 36,987,608,011,336.56/7,693,431.60
  6. Step 6: Final answer
    x = 4,807,686.60

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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.