Home / 7,381,134.35-10,185,971.77-4,117,949.75

Finding the Fourth Proportional to 7,381,134.35, 10,185,971.77 and 4,117,949.75

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Solution

The fourth proportional to 7,381,134.35, 10,185,971.77 and 4,117,949.75 is: 5,682,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,134.35 : 10,185,971.77 = 4,117,949.75 : x
  2. Step 2: Convert to fraction form
    7,381,134.35/10,185,971.77 = 4,117,949.75/x
  3. Step 3: Cross multiply
    7,381,134.35x = 10,185,971.77 × 4,117,949.75
  4. Step 4: Simplify right side
    7,381,134.35x = 41,945,319,934,390.92
  5. Step 5: Solve for x
    x = 41,945,319,934,390.92/7,381,134.35
  6. Step 6: Final answer
    x = 5,682,774.21

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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.