Home / 7,836,834.40-11,752,486.80-2,788,309.60

Finding the Fourth Proportional to 7,836,834.40, 11,752,486.80 and 2,788,309.60

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Solution

The fourth proportional to 7,836,834.40, 11,752,486.80 and 2,788,309.60 is: 4,181,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,834.40 : 11,752,486.80 = 2,788,309.60 : x
  2. Step 2: Convert to fraction form
    7,836,834.40/11,752,486.80 = 2,788,309.60/x
  3. Step 3: Cross multiply
    7,836,834.40x = 11,752,486.80 × 2,788,309.60
  4. Step 4: Simplify right side
    7,836,834.40x = 32,769,571,768,313.28
  5. Step 5: Solve for x
    x = 32,769,571,768,313.28/7,836,834.40
  6. Step 6: Final answer
    x = 4,181,480.70

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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.