Home / 14,200,440.48-21,278,983.77-8,431,814.07

Finding the Fourth Proportional to 14,200,440.48, 21,278,983.77 and 8,431,814.07

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Solution

The fourth proportional to 14,200,440.48, 21,278,983.77 and 8,431,814.07 is: 12,634,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,440.48 : 21,278,983.77 = 8,431,814.07 : x
  2. Step 2: Convert to fraction form
    14,200,440.48/21,278,983.77 = 8,431,814.07/x
  3. Step 3: Cross multiply
    14,200,440.48x = 21,278,983.77 × 8,431,814.07
  4. Step 4: Simplify right side
    14,200,440.48x = 179,420,434,705,028.59
  5. Step 5: Solve for x
    x = 179,420,434,705,028.59/14,200,440.48
  6. Step 6: Final answer
    x = 12,634,849.95

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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.