Home / 12,777,083.78-17,632,283.45-6,975,865.46

Finding the Fourth Proportional to 12,777,083.78, 17,632,283.45 and 6,975,865.46

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Solution

The fourth proportional to 12,777,083.78, 17,632,283.45 and 6,975,865.46 is: 9,626,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,083.78 : 17,632,283.45 = 6,975,865.46 : x
  2. Step 2: Convert to fraction form
    12,777,083.78/17,632,283.45 = 6,975,865.46/x
  3. Step 3: Cross multiply
    12,777,083.78x = 17,632,283.45 × 6,975,865.46
  4. Step 4: Simplify right side
    12,777,083.78x = 123,000,437,108,986.03
  5. Step 5: Solve for x
    x = 123,000,437,108,986.03/12,777,083.78
  6. Step 6: Final answer
    x = 9,626,644.02

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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.