Home / 18,347,363.70-27,533,487.15-11,942,013.30

Finding the Fourth Proportional to 18,347,363.70, 27,533,487.15 and 11,942,013.30

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Solution

The fourth proportional to 18,347,363.70, 27,533,487.15 and 11,942,013.30 is: 17,921,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347,363.70 : 27,533,487.15 = 11,942,013.30 : x
  2. Step 2: Convert to fraction form
    18,347,363.70/27,533,487.15 = 11,942,013.30/x
  3. Step 3: Cross multiply
    18,347,363.70x = 27,533,487.15 × 11,942,013.30
  4. Step 4: Simplify right side
    18,347,363.70x = 328,805,269,740,679.12
  5. Step 5: Solve for x
    x = 328,805,269,740,679.12/18,347,363.70
  6. Step 6: Final answer
    x = 17,921,117.99

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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.