Home / 15,250,009.91-21,027,233.84-11,375,805.02

Finding the Fourth Proportional to 15,250,009.91, 21,027,233.84 and 11,375,805.02

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Solution

The fourth proportional to 15,250,009.91, 21,027,233.84 and 11,375,805.02 is: 15,685,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250,009.91 : 21,027,233.84 = 11,375,805.02 : x
  2. Step 2: Convert to fraction form
    15,250,009.91/21,027,233.84 = 11,375,805.02/x
  3. Step 3: Cross multiply
    15,250,009.91x = 21,027,233.84 × 11,375,805.02
  4. Step 4: Simplify right side
    15,250,009.91x = 239,201,712,111,770.72
  5. Step 5: Solve for x
    x = 239,201,712,111,770.72/15,250,009.91
  6. Step 6: Final answer
    x = 15,685,347.98

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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.