Home / 20,173,757.40-27,839,753.46-11,006,400.96

Finding the Fourth Proportional to 20,173,757.40, 27,839,753.46 and 11,006,400.96

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Solution

The fourth proportional to 20,173,757.40, 27,839,753.46 and 11,006,400.96 is: 15,188,816.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,757.40 : 27,839,753.46 = 11,006,400.96 : x
  2. Step 2: Convert to fraction form
    20,173,757.40/27,839,753.46 = 11,006,400.96/x
  3. Step 3: Cross multiply
    20,173,757.40x = 27,839,753.46 × 11,006,400.96
  4. Step 4: Simplify right side
    20,173,757.40x = 306,415,489,208,307.38
  5. Step 5: Solve for x
    x = 306,415,489,208,307.38/20,173,757.40
  6. Step 6: Final answer
    x = 15,188,816.00

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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.