Home / 6,688,076.94-9,230,115.45-3,787,983.72

Finding the Fourth Proportional to 6,688,076.94, 9,230,115.45 and 3,787,983.72

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Solution

The fourth proportional to 6,688,076.94, 9,230,115.45 and 3,787,983.72 is: 5,227,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,076.94 : 9,230,115.45 = 3,787,983.72 : x
  2. Step 2: Convert to fraction form
    6,688,076.94/9,230,115.45 = 3,787,983.72/x
  3. Step 3: Cross multiply
    6,688,076.94x = 9,230,115.45 × 3,787,983.72
  4. Step 4: Simplify right side
    6,688,076.94x = 34,963,527,058,320.47
  5. Step 5: Solve for x
    x = 34,963,527,058,320.47/6,688,076.94
  6. Step 6: Final answer
    x = 5,227,739.96

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Double scale
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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.