Home / 10,384,717.80-15,577,076.70-9,188,975.55

Finding the Fourth Proportional to 10,384,717.80, 15,577,076.70 and 9,188,975.55

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Solution

The fourth proportional to 10,384,717.80, 15,577,076.70 and 9,188,975.55 is: 13,783,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384,717.80 : 15,577,076.70 = 9,188,975.55 : x
  2. Step 2: Convert to fraction form
    10,384,717.80/15,577,076.70 = 9,188,975.55/x
  3. Step 3: Cross multiply
    10,384,717.80x = 15,577,076.70 × 9,188,975.55
  4. Step 4: Simplify right side
    10,384,717.80x = 143,137,376,936,774.69
  5. Step 5: Solve for x
    x = 143,137,376,936,774.69/10,384,717.80
  6. Step 6: Final answer
    x = 13,783,463.33

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Double scale
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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.