Home / 21,303,732.30-31,971,344.85-14,112,876.30

Finding the Fourth Proportional to 21,303,732.30, 31,971,344.85 and 14,112,876.30

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Solution

The fourth proportional to 21,303,732.30, 31,971,344.85 and 14,112,876.30 is: 21,179,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,732.30 : 31,971,344.85 = 14,112,876.30 : x
  2. Step 2: Convert to fraction form
    21,303,732.30/31,971,344.85 = 14,112,876.30/x
  3. Step 3: Cross multiply
    21,303,732.30x = 31,971,344.85 × 14,112,876.30
  4. Step 4: Simplify right side
    21,303,732.30x = 451,207,635,012,692.12
  5. Step 5: Solve for x
    x = 451,207,635,012,692.12/21,303,732.30
  6. Step 6: Final answer
    x = 21,179,745.81

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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.