Home / 18,232,004.40-27,348,006.60-7,442,221.20

Finding the Fourth Proportional to 18,232,004.40, 27,348,006.60 and 7,442,221.20

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Solution

The fourth proportional to 18,232,004.40, 27,348,006.60 and 7,442,221.20 is: 11,163,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232,004.40 : 27,348,006.60 = 7,442,221.20 : x
  2. Step 2: Convert to fraction form
    18,232,004.40/27,348,006.60 = 7,442,221.20/x
  3. Step 3: Cross multiply
    18,232,004.40x = 27,348,006.60 × 7,442,221.20
  4. Step 4: Simplify right side
    18,232,004.40x = 203,529,914,496,259.94
  5. Step 5: Solve for x
    x = 203,529,914,496,259.94/18,232,004.40
  6. Step 6: Final answer
    x = 11,163,331.80

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Double scale
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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.