Home / 18,270,371.81-25,206,906.04-10,424,247.48

Finding the Fourth Proportional to 18,270,371.81, 25,206,906.04 and 10,424,247.48

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Solution

The fourth proportional to 18,270,371.81, 25,206,906.04 and 10,424,247.48 is: 14,381,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270,371.81 : 25,206,906.04 = 10,424,247.48 : x
  2. Step 2: Convert to fraction form
    18,270,371.81/25,206,906.04 = 10,424,247.48/x
  3. Step 3: Cross multiply
    18,270,371.81x = 25,206,906.04 × 10,424,247.48
  4. Step 4: Simplify right side
    18,270,371.81x = 262,763,026,740,006.19
  5. Step 5: Solve for x
    x = 262,763,026,740,006.19/18,270,371.81
  6. Step 6: Final answer
    x = 14,381,920.05

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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.