Home / 18,847,625.72-28,268,072.87-5,014,663.92

Finding the Fourth Proportional to 18,847,625.72, 28,268,072.87 and 5,014,663.92

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Solution

The fourth proportional to 18,847,625.72, 28,268,072.87 and 5,014,663.92 is: 7,521,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847,625.72 : 28,268,072.87 = 5,014,663.92 : x
  2. Step 2: Convert to fraction form
    18,847,625.72/28,268,072.87 = 5,014,663.92/x
  3. Step 3: Cross multiply
    18,847,625.72x = 28,268,072.87 × 5,014,663.92
  4. Step 4: Simplify right side
    18,847,625.72x = 141,754,885,084,046.53
  5. Step 5: Solve for x
    x = 141,754,885,084,046.53/18,847,625.72
  6. Step 6: Final answer
    x = 7,521,100.39

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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.