Home / 7,754,707.36-11,634,435.12-3,970,869.28

Finding the Fourth Proportional to 7,754,707.36, 11,634,435.12 and 3,970,869.28

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Solution

The fourth proportional to 7,754,707.36, 11,634,435.12 and 3,970,869.28 is: 5,957,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754,707.36 : 11,634,435.12 = 3,970,869.28 : x
  2. Step 2: Convert to fraction form
    7,754,707.36/11,634,435.12 = 3,970,869.28/x
  3. Step 3: Cross multiply
    7,754,707.36x = 11,634,435.12 × 3,970,869.28
  4. Step 4: Simplify right side
    7,754,707.36x = 46,198,821,008,161.11
  5. Step 5: Solve for x
    x = 46,198,821,008,161.11/7,754,707.36
  6. Step 6: Final answer
    x = 5,957,519.59

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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.