Home / 21,762,626.30-30,032,423.29-11,972,860.46

Finding the Fourth Proportional to 21,762,626.30, 30,032,423.29 and 11,972,860.46

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Solution

The fourth proportional to 21,762,626.30, 30,032,423.29 and 11,972,860.46 is: 16,522,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,626.30 : 30,032,423.29 = 11,972,860.46 : x
  2. Step 2: Convert to fraction form
    21,762,626.30/30,032,423.29 = 11,972,860.46/x
  3. Step 3: Cross multiply
    21,762,626.30x = 30,032,423.29 × 11,972,860.46
  4. Step 4: Simplify right side
    21,762,626.30x = 359,574,013,304,249.69
  5. Step 5: Solve for x
    x = 359,574,013,304,249.69/21,762,626.30
  6. Step 6: Final answer
    x = 16,522,546.88

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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.