Home / 7,243,515.16-9,986,062.44-5,778,396.36

Finding the Fourth Proportional to 7,243,515.16, 9,986,062.44 and 5,778,396.36

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Solution

The fourth proportional to 7,243,515.16, 9,986,062.44 and 5,778,396.36 is: 7,966,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,515.16 : 9,986,062.44 = 5,778,396.36 : x
  2. Step 2: Convert to fraction form
    7,243,515.16/9,986,062.44 = 5,778,396.36/x
  3. Step 3: Cross multiply
    7,243,515.16x = 9,986,062.44 × 5,778,396.36
  4. Step 4: Simplify right side
    7,243,515.16x = 57,703,426,854,028.72
  5. Step 5: Solve for x
    x = 57,703,426,854,028.72/7,243,515.16
  6. Step 6: Final answer
    x = 7,966,218.83

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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.