Home / 7,836,833.40-11,752,485.30-2,788,308.60

Finding the Fourth Proportional to 7,836,833.40, 11,752,485.30 and 2,788,308.60

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Solution

The fourth proportional to 7,836,833.40, 11,752,485.30 and 2,788,308.60 is: 4,181,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,833.40 : 11,752,485.30 = 2,788,308.60 : x
  2. Step 2: Convert to fraction form
    7,836,833.40/11,752,485.30 = 2,788,308.60/x
  3. Step 3: Cross multiply
    7,836,833.40x = 11,752,485.30 × 2,788,308.60
  4. Step 4: Simplify right side
    7,836,833.40x = 32,769,555,833,363.58
  5. Step 5: Solve for x
    x = 32,769,555,833,363.58/7,836,833.40
  6. Step 6: Final answer
    x = 4,181,479.20

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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.