Home / 18,144,019.04-27,217,357.16-7,218,477.81

Finding the Fourth Proportional to 18,144,019.04, 27,217,357.16 and 7,218,477.81

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Solution

The fourth proportional to 18,144,019.04, 27,217,357.16 and 7,218,477.81 is: 10,828,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,019.04 : 27,217,357.16 = 7,218,477.81 : x
  2. Step 2: Convert to fraction form
    18,144,019.04/27,217,357.16 = 7,218,477.81/x
  3. Step 3: Cross multiply
    18,144,019.04x = 27,217,357.16 × 7,218,477.81
  4. Step 4: Simplify right side
    18,144,019.04x = 196,467,888,670,212.22
  5. Step 5: Solve for x
    x = 196,467,888,670,212.22/18,144,019.04
  6. Step 6: Final answer
    x = 10,828,245.29

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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.