Home / 15,412,755.36-21,261,538.32-9,530,508.96

Finding the Fourth Proportional to 15,412,755.36, 21,261,538.32 and 9,530,508.96

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Solution

The fourth proportional to 15,412,755.36, 21,261,538.32 and 9,530,508.96 is: 13,147,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,755.36 : 21,261,538.32 = 9,530,508.96 : x
  2. Step 2: Convert to fraction form
    15,412,755.36/21,261,538.32 = 9,530,508.96/x
  3. Step 3: Cross multiply
    15,412,755.36x = 21,261,538.32 × 9,530,508.96
  4. Step 4: Simplify right side
    15,412,755.36x = 202,633,281,462,143.38
  5. Step 5: Solve for x
    x = 202,633,281,462,143.38/15,412,755.36
  6. Step 6: Final answer
    x = 13,147,115.93

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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.