Home / 18,631,490.40-27,930,614.40-7,269,296.40

Finding the Fourth Proportional to 18,631,490.40, 27,930,614.40 and 7,269,296.40

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Solution

The fourth proportional to 18,631,490.40, 27,930,614.40 and 7,269,296.40 is: 10,897,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631,490.40 : 27,930,614.40 = 7,269,296.40 : x
  2. Step 2: Convert to fraction form
    18,631,490.40/27,930,614.40 = 7,269,296.40/x
  3. Step 3: Cross multiply
    18,631,490.40x = 27,930,614.40 × 7,269,296.40
  4. Step 4: Simplify right side
    18,631,490.40x = 203,035,914,707,708.16
  5. Step 5: Solve for x
    x = 203,035,914,707,708.16/18,631,490.40
  6. Step 6: Final answer
    x = 10,897,459.64

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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.