Home / 15,588,935.91-21,512,286.63-8,619,493.59

Finding the Fourth Proportional to 15,588,935.91, 21,512,286.63 and 8,619,493.59

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Solution

The fourth proportional to 15,588,935.91, 21,512,286.63 and 8,619,493.59 is: 11,894,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,935.91 : 21,512,286.63 = 8,619,493.59 : x
  2. Step 2: Convert to fraction form
    15,588,935.91/21,512,286.63 = 8,619,493.59/x
  3. Step 3: Cross multiply
    15,588,935.91x = 21,512,286.63 × 8,619,493.59
  4. Step 4: Simplify right side
    15,588,935.91x = 185,425,016,713,527.69
  5. Step 5: Solve for x
    x = 185,425,016,713,527.69/15,588,935.91
  6. Step 6: Final answer
    x = 11,894,655.14

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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.