Home / 12,716,521.26-17,548,923.87-6,915,428.34

Finding the Fourth Proportional to 12,716,521.26, 17,548,923.87 and 6,915,428.34

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Solution

The fourth proportional to 12,716,521.26, 17,548,923.87 and 6,915,428.34 is: 9,543,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716,521.26 : 17,548,923.87 = 6,915,428.34 : x
  2. Step 2: Convert to fraction form
    12,716,521.26/17,548,923.87 = 6,915,428.34/x
  3. Step 3: Cross multiply
    12,716,521.26x = 17,548,923.87 × 6,915,428.34
  4. Step 4: Simplify right side
    12,716,521.26x = 121,358,325,467,100.48
  5. Step 5: Solve for x
    x = 121,358,325,467,100.48/12,716,521.26
  6. Step 6: Final answer
    x = 9,543,358.83

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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.