Home / 11,591,905.60-17,387,858.40-7,280,891.20

Finding the Fourth Proportional to 11,591,905.60, 17,387,858.40 and 7,280,891.20

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Solution

The fourth proportional to 11,591,905.60, 17,387,858.40 and 7,280,891.20 is: 10,921,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591,905.60 : 17,387,858.40 = 7,280,891.20 : x
  2. Step 2: Convert to fraction form
    11,591,905.60/17,387,858.40 = 7,280,891.20/x
  3. Step 3: Cross multiply
    11,591,905.60x = 17,387,858.40 × 7,280,891.20
  4. Step 4: Simplify right side
    11,591,905.60x = 126,599,105,211,406.08
  5. Step 5: Solve for x
    x = 126,599,105,211,406.08/11,591,905.60
  6. Step 6: Final answer
    x = 10,921,336.80

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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.