Home / 18,378,056.70-27,567,085.05-7,591,772.70

Finding the Fourth Proportional to 18,378,056.70, 27,567,085.05 and 7,591,772.70

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Solution

The fourth proportional to 18,378,056.70, 27,567,085.05 and 7,591,772.70 is: 11,387,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,056.70 : 27,567,085.05 = 7,591,772.70 : x
  2. Step 2: Convert to fraction form
    18,378,056.70/27,567,085.05 = 7,591,772.70/x
  3. Step 3: Cross multiply
    18,378,056.70x = 27,567,085.05 × 7,591,772.70
  4. Step 4: Simplify right side
    18,378,056.70x = 209,283,043,701,168.16
  5. Step 5: Solve for x
    x = 209,283,043,701,168.16/18,378,056.70
  6. Step 6: Final answer
    x = 11,387,659.05

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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.