Home / 9,667,287-13,341,207.30-5,538,116.28

Finding the Fourth Proportional to 9,667,287, 13,341,207.30 and 5,538,116.28

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Solution

The fourth proportional to 9,667,287, 13,341,207.30 and 5,538,116.28 is: 7,642,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,667,287 : 13,341,207.30 = 5,538,116.28 : x
  2. Step 2: Convert to fraction form
    9,667,287/13,341,207.30 = 5,538,116.28/x
  3. Step 3: Cross multiply
    9,667,287x = 13,341,207.30 × 5,538,116.28
  4. Step 4: Simplify right side
    9,667,287x = 73,885,157,342,984.86
  5. Step 5: Solve for x
    x = 73,885,157,342,984.86/9,667,287
  6. Step 6: Final answer
    x = 7,642,801.68

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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.