Home / 12,821,360.40-17,695,162.80-7,313,473.80

Finding the Fourth Proportional to 12,821,360.40, 17,695,162.80 and 7,313,473.80

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Solution

The fourth proportional to 12,821,360.40, 17,695,162.80 and 7,313,473.80 is: 10,093,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,360.40 : 17,695,162.80 = 7,313,473.80 : x
  2. Step 2: Convert to fraction form
    12,821,360.40/17,695,162.80 = 7,313,473.80/x
  3. Step 3: Cross multiply
    12,821,360.40x = 17,695,162.80 × 7,313,473.80
  4. Step 4: Simplify right side
    12,821,360.40x = 129,413,109,524,534.64
  5. Step 5: Solve for x
    x = 129,413,109,524,534.64/12,821,360.40
  6. Step 6: Final answer
    x = 10,093,555.25

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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.