Home / 7,788,015.55-11,682,023.33-4,428,783.55

Finding the Fourth Proportional to 7,788,015.55, 11,682,023.33 and 4,428,783.55

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Solution

The fourth proportional to 7,788,015.55, 11,682,023.33 and 4,428,783.55 is: 6,643,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,015.55 : 11,682,023.33 = 4,428,783.55 : x
  2. Step 2: Convert to fraction form
    7,788,015.55/11,682,023.33 = 4,428,783.55/x
  3. Step 3: Cross multiply
    7,788,015.55x = 11,682,023.33 × 4,428,783.55
  4. Step 4: Simplify right side
    7,788,015.55x = 51,737,152,732,476.30
  5. Step 5: Solve for x
    x = 51,737,152,732,476.30/7,788,015.55
  6. Step 6: Final answer
    x = 6,643,175.33

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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.