Home / 27,222,429.80-40,833,644.70-21,057,714.20

Finding the Fourth Proportional to 27,222,429.80, 40,833,644.70 and 21,057,714.20

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Solution

The fourth proportional to 27,222,429.80, 40,833,644.70 and 21,057,714.20 is: 31,586,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,222,429.80 : 40,833,644.70 = 21,057,714.20 : x
  2. Step 2: Convert to fraction form
    27,222,429.80/40,833,644.70 = 21,057,714.20/x
  3. Step 3: Cross multiply
    27,222,429.80x = 40,833,644.70 × 21,057,714.20
  4. Step 4: Simplify right side
    27,222,429.80x = 859,863,219,836,944.75
  5. Step 5: Solve for x
    x = 859,863,219,836,944.75/27,222,429.80
  6. Step 6: Final answer
    x = 31,586,571.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.