Home / 13,048,497.23-18,006,428.13-7,247,651.05

Finding the Fourth Proportional to 13,048,497.23, 18,006,428.13 and 7,247,651.05

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Solution

The fourth proportional to 13,048,497.23, 18,006,428.13 and 7,247,651.05 is: 10,001,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,497.23 : 18,006,428.13 = 7,247,651.05 : x
  2. Step 2: Convert to fraction form
    13,048,497.23/18,006,428.13 = 7,247,651.05/x
  3. Step 3: Cross multiply
    13,048,497.23x = 18,006,428.13 × 7,247,651.05
  4. Step 4: Simplify right side
    13,048,497.23x = 130,504,307,743,144.03
  5. Step 5: Solve for x
    x = 130,504,307,743,144.03/13,048,497.23
  6. Step 6: Final answer
    x = 10,001,481.81

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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.