Home / 7,156,767.94-9,876,382.71-3,893,606.07

Finding the Fourth Proportional to 7,156,767.94, 9,876,382.71 and 3,893,606.07

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Solution

The fourth proportional to 7,156,767.94, 9,876,382.71 and 3,893,606.07 is: 5,373,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,767.94 : 9,876,382.71 = 3,893,606.07 : x
  2. Step 2: Convert to fraction form
    7,156,767.94/9,876,382.71 = 3,893,606.07/x
  3. Step 3: Cross multiply
    7,156,767.94x = 9,876,382.71 × 3,893,606.07
  4. Step 4: Simplify right side
    7,156,767.94x = 38,454,743,669,299.05
  5. Step 5: Solve for x
    x = 38,454,743,669,299.05/7,156,767.94
  6. Step 6: Final answer
    x = 5,373,199.74

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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.