Home / 20,111,848.74-27,752,090.19-11,851,374.78

Finding the Fourth Proportional to 20,111,848.74, 27,752,090.19 and 11,851,374.78

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Solution

The fourth proportional to 20,111,848.74, 27,752,090.19 and 11,851,374.78 is: 16,353,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,848.74 : 27,752,090.19 = 11,851,374.78 : x
  2. Step 2: Convert to fraction form
    20,111,848.74/27,752,090.19 = 11,851,374.78/x
  3. Step 3: Cross multiply
    20,111,848.74x = 27,752,090.19 × 11,851,374.78
  4. Step 4: Simplify right side
    20,111,848.74x = 328,900,421,770,051.38
  5. Step 5: Solve for x
    x = 328,900,421,770,051.38/20,111,848.74
  6. Step 6: Final answer
    x = 16,353,564.81

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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.