Home / 22,623,806-31,220,589.84-12,310,351.40

Finding the Fourth Proportional to 22,623,806, 31,220,589.84 and 12,310,351.40

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Solution

The fourth proportional to 22,623,806, 31,220,589.84 and 12,310,351.40 is: 16,988,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623,806 : 31,220,589.84 = 12,310,351.40 : x
  2. Step 2: Convert to fraction form
    22,623,806/31,220,589.84 = 12,310,351.40/x
  3. Step 3: Cross multiply
    22,623,806x = 31,220,589.84 × 12,310,351.40
  4. Step 4: Simplify right side
    22,623,806x = 384,336,431,845,669.81
  5. Step 5: Solve for x
    x = 384,336,431,845,669.81/22,623,806
  6. Step 6: Final answer
    x = 16,988,142.13

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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.