Home / 21,561,639.60-32,267,809.80-19,770,049.20

Finding the Fourth Proportional to 21,561,639.60, 32,267,809.80 and 19,770,049.20

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Solution

The fourth proportional to 21,561,639.60, 32,267,809.80 and 19,770,049.20 is: 29,586,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,639.60 : 32,267,809.80 = 19,770,049.20 : x
  2. Step 2: Convert to fraction form
    21,561,639.60/32,267,809.80 = 19,770,049.20/x
  3. Step 3: Cross multiply
    21,561,639.60x = 32,267,809.80 × 19,770,049.20
  4. Step 4: Simplify right side
    21,561,639.60x = 637,936,187,322,242.12
  5. Step 5: Solve for x
    x = 637,936,187,322,242.12/21,561,639.60
  6. Step 6: Final answer
    x = 29,586,626.95

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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.