Home / 14,040,272.20-21,060,408.30-9,169,385.80

Finding the Fourth Proportional to 14,040,272.20, 21,060,408.30 and 9,169,385.80

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Solution

The fourth proportional to 14,040,272.20, 21,060,408.30 and 9,169,385.80 is: 13,754,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040,272.20 : 21,060,408.30 = 9,169,385.80 : x
  2. Step 2: Convert to fraction form
    14,040,272.20/21,060,408.30 = 9,169,385.80/x
  3. Step 3: Cross multiply
    14,040,272.20x = 21,060,408.30 × 9,169,385.80
  4. Step 4: Simplify right side
    14,040,272.20x = 193,111,008,808,222.16
  5. Step 5: Solve for x
    x = 193,111,008,808,222.16/14,040,272.20
  6. Step 6: Final answer
    x = 13,754,078.70

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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.