Home / 20,672,292.49-30,974,319.10-12,012,083.43

Finding the Fourth Proportional to 20,672,292.49, 30,974,319.10 and 12,012,083.43

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Solution

The fourth proportional to 20,672,292.49, 30,974,319.10 and 12,012,083.43 is: 17,998,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,292.49 : 30,974,319.10 = 12,012,083.43 : x
  2. Step 2: Convert to fraction form
    20,672,292.49/30,974,319.10 = 12,012,083.43/x
  3. Step 3: Cross multiply
    20,672,292.49x = 30,974,319.10 × 12,012,083.43
  4. Step 4: Simplify right side
    20,672,292.49x = 372,066,105,115,503.94
  5. Step 5: Solve for x
    x = 372,066,105,115,503.94/20,672,292.49
  6. Step 6: Final answer
    x = 17,998,299.19

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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.