Home / 22,623,793-31,220,571.90-12,310,338.40

Finding the Fourth Proportional to 22,623,793, 31,220,571.90 and 12,310,338.40

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Solution

The fourth proportional to 22,623,793, 31,220,571.90 and 12,310,338.40 is: 16,988,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623,793 : 31,220,571.90 = 12,310,338.40 : x
  2. Step 2: Convert to fraction form
    22,623,793/31,220,571.90 = 12,310,338.40/x
  3. Step 3: Cross multiply
    22,623,793x = 31,220,571.90 × 12,310,338.40
  4. Step 4: Simplify right side
    22,623,793x = 384,335,805,130,530.94
  5. Step 5: Solve for x
    x = 384,335,805,130,530.94/22,623,793
  6. Step 6: Final answer
    x = 16,988,124.19

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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.