Home / 38,164,216.75-52,666,579.26-20,760,520.46

Finding the Fourth Proportional to 38,164,216.75, 52,666,579.26 and 20,760,520.46

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Solution

The fourth proportional to 38,164,216.75, 52,666,579.26 and 20,760,520.46 is: 28,649,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,164,216.75 : 52,666,579.26 = 20,760,520.46 : x
  2. Step 2: Convert to fraction form
    38,164,216.75/52,666,579.26 = 20,760,520.46/x
  3. Step 3: Cross multiply
    38,164,216.75x = 52,666,579.26 × 20,760,520.46
  4. Step 4: Simplify right side
    38,164,216.75x = 1,093,385,596,022,108.62
  5. Step 5: Solve for x
    x = 1,093,385,596,022,108.62/38,164,216.75
  6. Step 6: Final answer
    x = 28,649,496.55

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1.5x scale

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.