Home / 13,568,633.65-18,724,897.01-7,373,803.33

Finding the Fourth Proportional to 13,568,633.65, 18,724,897.01 and 7,373,803.33

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Solution

The fourth proportional to 13,568,633.65, 18,724,897.01 and 7,373,803.33 is: 10,175,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568,633.65 : 18,724,897.01 = 7,373,803.33 : x
  2. Step 2: Convert to fraction form
    13,568,633.65/18,724,897.01 = 7,373,803.33/x
  3. Step 3: Cross multiply
    13,568,633.65x = 18,724,897.01 × 7,373,803.33
  4. Step 4: Simplify right side
    13,568,633.65x = 138,073,707,795,751.53
  5. Step 5: Solve for x
    x = 138,073,707,795,751.53/13,568,633.65
  6. Step 6: Final answer
    x = 10,175,947.81

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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.