Home / 14,278,849.24-21,426,782.10-5,181,656.22

Finding the Fourth Proportional to 14,278,849.24, 21,426,782.10 and 5,181,656.22

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Solution

The fourth proportional to 14,278,849.24, 21,426,782.10 and 5,181,656.22 is: 7,775,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,849.24 : 21,426,782.10 = 5,181,656.22 : x
  2. Step 2: Convert to fraction form
    14,278,849.24/21,426,782.10 = 5,181,656.22/x
  3. Step 3: Cross multiply
    14,278,849.24x = 21,426,782.10 × 5,181,656.22
  4. Step 4: Simplify right side
    14,278,849.24x = 111,026,218,743,049.67
  5. Step 5: Solve for x
    x = 111,026,218,743,049.67/14,278,849.24
  6. Step 6: Final answer
    x = 7,775,571.89

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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.