Home / 13,039,516.38-17,993,632.41-7,237,841.37

Finding the Fourth Proportional to 13,039,516.38, 17,993,632.41 and 7,237,841.37

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Solution

The fourth proportional to 13,039,516.38, 17,993,632.41 and 7,237,841.37 is: 9,987,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,516.38 : 17,993,632.41 = 7,237,841.37 : x
  2. Step 2: Convert to fraction form
    13,039,516.38/17,993,632.41 = 7,237,841.37/x
  3. Step 3: Cross multiply
    13,039,516.38x = 17,993,632.41 × 7,237,841.37
  4. Step 4: Simplify right side
    13,039,516.38x = 130,235,056,986,194.69
  5. Step 5: Solve for x
    x = 130,235,056,986,194.69/13,039,516.38
  6. Step 6: Final answer
    x = 9,987,721.41

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1.5x scale

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.