Home / 21,762,033.62-30,031,561.49-11,972,454.35

Finding the Fourth Proportional to 21,762,033.62, 30,031,561.49 and 11,972,454.35

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Solution

The fourth proportional to 21,762,033.62, 30,031,561.49 and 11,972,454.35 is: 16,521,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,033.62 : 30,031,561.49 = 11,972,454.35 : x
  2. Step 2: Convert to fraction form
    21,762,033.62/30,031,561.49 = 11,972,454.35/x
  3. Step 3: Cross multiply
    21,762,033.62x = 30,031,561.49 × 11,972,454.35
  4. Step 4: Simplify right side
    21,762,033.62x = 359,551,498,788,222.94
  5. Step 5: Solve for x
    x = 359,551,498,788,222.94/21,762,033.62
  6. Step 6: Final answer
    x = 16,521,962.29

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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.