Home / 21,344,219.19-29,455,016.25-11,554,656.12

Finding the Fourth Proportional to 21,344,219.19, 29,455,016.25 and 11,554,656.12

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Solution

The fourth proportional to 21,344,219.19, 29,455,016.25 and 11,554,656.12 is: 15,945,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,219.19 : 29,455,016.25 = 11,554,656.12 : x
  2. Step 2: Convert to fraction form
    21,344,219.19/29,455,016.25 = 11,554,656.12/x
  3. Step 3: Cross multiply
    21,344,219.19x = 29,455,016.25 × 11,554,656.12
  4. Step 4: Simplify right side
    21,344,219.19x = 340,342,583,777,761.94
  5. Step 5: Solve for x
    x = 340,342,583,777,761.94/21,344,219.19
  6. Step 6: Final answer
    x = 15,945,422.07

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Double scale
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Similar ratio
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1.5x scale

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.