Home / 38,263,186-52,802,692.40-21,517,920.56

Finding the Fourth Proportional to 38,263,186, 52,802,692.40 and 21,517,920.56

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Solution

The fourth proportional to 38,263,186, 52,802,692.40 and 21,517,920.56 is: 29,694,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,263,186 : 52,802,692.40 = 21,517,920.56 : x
  2. Step 2: Convert to fraction form
    38,263,186/52,802,692.40 = 21,517,920.56/x
  3. Step 3: Cross multiply
    38,263,186x = 52,802,692.40 × 21,517,920.56
  4. Step 4: Simplify right side
    38,263,186x = 1,136,204,140,417,315.75
  5. Step 5: Solve for x
    x = 1,136,204,140,417,315.75/38,263,186
  6. Step 6: Final answer
    x = 29,694,446.78

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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.