Home / 15,250,008.40-21,027,231.77-11,375,803.51

Finding the Fourth Proportional to 15,250,008.40, 21,027,231.77 and 11,375,803.51

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Solution

The fourth proportional to 15,250,008.40, 21,027,231.77 and 11,375,803.51 is: 15,685,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250,008.40 : 21,027,231.77 = 11,375,803.51 : x
  2. Step 2: Convert to fraction form
    15,250,008.40/21,027,231.77 = 11,375,803.51/x
  3. Step 3: Cross multiply
    15,250,008.40x = 21,027,231.77 × 11,375,803.51
  4. Step 4: Simplify right side
    15,250,008.40x = 239,201,656,865,302.44
  5. Step 5: Solve for x
    x = 239,201,656,865,302.44/15,250,008.40
  6. Step 6: Final answer
    x = 15,685,345.91

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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.