Home / 14,131,838.30-21,197,757.45-13,187,054.30

Finding the Fourth Proportional to 14,131,838.30, 21,197,757.45 and 13,187,054.30

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Solution

The fourth proportional to 14,131,838.30, 21,197,757.45 and 13,187,054.30 is: 19,780,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,838.30 : 21,197,757.45 = 13,187,054.30 : x
  2. Step 2: Convert to fraction form
    14,131,838.30/21,197,757.45 = 13,187,054.30/x
  3. Step 3: Cross multiply
    14,131,838.30x = 21,197,757.45 × 13,187,054.30
  4. Step 4: Simplify right side
    14,131,838.30x = 279,535,978,531,379.53
  5. Step 5: Solve for x
    x = 279,535,978,531,379.53/14,131,838.30
  6. Step 6: Final answer
    x = 19,780,581.45

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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.