Home / 18,240,371.28-27,345,103.92-7,997,468.40

Finding the Fourth Proportional to 18,240,371.28, 27,345,103.92 and 7,997,468.40

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Solution

The fourth proportional to 18,240,371.28, 27,345,103.92 and 7,997,468.40 is: 11,989,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240,371.28 : 27,345,103.92 = 7,997,468.40 : x
  2. Step 2: Convert to fraction form
    18,240,371.28/27,345,103.92 = 7,997,468.40/x
  3. Step 3: Cross multiply
    18,240,371.28x = 27,345,103.92 × 7,997,468.40
  4. Step 4: Simplify right side
    18,240,371.28x = 218,691,604,494,916.16
  5. Step 5: Solve for x
    x = 218,691,604,494,916.16/18,240,371.28
  6. Step 6: Final answer
    x = 11,989,427.25

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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.