Home / 14,508,418.65-20,021,617.08-7,981,908.12

Finding the Fourth Proportional to 14,508,418.65, 20,021,617.08 and 7,981,908.12

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Solution

The fourth proportional to 14,508,418.65, 20,021,617.08 and 7,981,908.12 is: 11,015,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,418.65 : 20,021,617.08 = 7,981,908.12 : x
  2. Step 2: Convert to fraction form
    14,508,418.65/20,021,617.08 = 7,981,908.12/x
  3. Step 3: Cross multiply
    14,508,418.65x = 20,021,617.08 × 7,981,908.12
  4. Step 4: Simplify right side
    14,508,418.65x = 159,810,707,946,382.69
  5. Step 5: Solve for x
    x = 159,810,707,946,382.69/14,508,418.65
  6. Step 6: Final answer
    x = 11,015,032.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.