Home / 17,921,443.73-26,881,990.63-5,142,015.41

Finding the Fourth Proportional to 17,921,443.73, 26,881,990.63 and 5,142,015.41

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Solution

The fourth proportional to 17,921,443.73, 26,881,990.63 and 5,142,015.41 is: 7,712,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921,443.73 : 26,881,990.63 = 5,142,015.41 : x
  2. Step 2: Convert to fraction form
    17,921,443.73/26,881,990.63 = 5,142,015.41/x
  3. Step 3: Cross multiply
    17,921,443.73x = 26,881,990.63 × 5,142,015.41
  4. Step 4: Simplify right side
    17,921,443.73x = 138,227,609,923,670.62
  5. Step 5: Solve for x
    x = 138,227,609,923,670.62/17,921,443.73
  6. Step 6: Final answer
    x = 7,712,972.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.