Home / 7,156,765.44-9,876,379.26-3,893,603.57

Finding the Fourth Proportional to 7,156,765.44, 9,876,379.26 and 3,893,603.57

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Solution

The fourth proportional to 7,156,765.44, 9,876,379.26 and 3,893,603.57 is: 5,373,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,765.44 : 9,876,379.26 = 3,893,603.57 : x
  2. Step 2: Convert to fraction form
    7,156,765.44/9,876,379.26 = 3,893,603.57/x
  3. Step 3: Cross multiply
    7,156,765.44x = 9,876,379.26 × 3,893,603.57
  4. Step 4: Simplify right side
    7,156,765.44x = 38,454,705,496,028.06
  5. Step 5: Solve for x
    x = 38,454,705,496,028.06/7,156,765.44
  6. Step 6: Final answer
    x = 5,373,196.29

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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.