Home / 13,384,330.97-18,470,487.46-7,272,759.47

Finding the Fourth Proportional to 13,384,330.97, 18,470,487.46 and 7,272,759.47

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Solution

The fourth proportional to 13,384,330.97, 18,470,487.46 and 7,272,759.47 is: 10,036,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,330.97 : 18,470,487.46 = 7,272,759.47 : x
  2. Step 2: Convert to fraction form
    13,384,330.97/18,470,487.46 = 7,272,759.47/x
  3. Step 3: Cross multiply
    13,384,330.97x = 18,470,487.46 × 7,272,759.47
  4. Step 4: Simplify right side
    13,384,330.97x = 134,331,412,618,225.56
  5. Step 5: Solve for x
    x = 134,331,412,618,225.56/13,384,330.97
  6. Step 6: Final answer
    x = 10,036,468.23

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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.