Home / 20,238,467.58-27,929,122.02-11,071,110.34

Finding the Fourth Proportional to 20,238,467.58, 27,929,122.02 and 11,071,110.34

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Solution

The fourth proportional to 20,238,467.58, 27,929,122.02 and 11,071,110.34 is: 15,278,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,467.58 : 27,929,122.02 = 11,071,110.34 : x
  2. Step 2: Convert to fraction form
    20,238,467.58/27,929,122.02 = 11,071,110.34/x
  3. Step 3: Cross multiply
    20,238,467.58x = 27,929,122.02 × 11,071,110.34
  4. Step 4: Simplify right side
    20,238,467.58x = 309,206,391,582,743.69
  5. Step 5: Solve for x
    x = 309,206,391,582,743.69/20,238,467.58
  6. Step 6: Final answer
    x = 15,278,152.38

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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.