Home / 15,515,122.30-21,400,609.19-9,703,814.97

Finding the Fourth Proportional to 15,515,122.30, 21,400,609.19 and 9,703,814.97

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Solution

The fourth proportional to 15,515,122.30, 21,400,609.19 and 9,703,814.97 is: 13,384,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515,122.30 : 21,400,609.19 = 9,703,814.97 : x
  2. Step 2: Convert to fraction form
    15,515,122.30/21,400,609.19 = 9,703,814.97/x
  3. Step 3: Cross multiply
    15,515,122.30x = 21,400,609.19 × 9,703,814.97
  4. Step 4: Simplify right side
    15,515,122.30x = 207,667,551,742,298.06
  5. Step 5: Solve for x
    x = 207,667,551,742,298.06/15,515,122.30
  6. Step 6: Final answer
    x = 13,384,847.87

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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.