Home / 10,369,821.48-15,554,732.21-7,181,175.48

Finding the Fourth Proportional to 10,369,821.48, 15,554,732.21 and 7,181,175.48

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Solution

The fourth proportional to 10,369,821.48, 15,554,732.21 and 7,181,175.48 is: 10,771,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,821.48 : 15,554,732.21 = 7,181,175.48 : x
  2. Step 2: Convert to fraction form
    10,369,821.48/15,554,732.21 = 7,181,175.48/x
  3. Step 3: Cross multiply
    10,369,821.48x = 15,554,732.21 × 7,181,175.48
  4. Step 4: Simplify right side
    10,369,821.48x = 111,701,261,544,418.22
  5. Step 5: Solve for x
    x = 111,701,261,544,418.22/10,369,821.48
  6. Step 6: Final answer
    x = 10,771,763.21

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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.