Home / 8,485,207.85-11,709,850.86-4,814,279.15

Finding the Fourth Proportional to 8,485,207.85, 11,709,850.86 and 4,814,279.15

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Solution

The fourth proportional to 8,485,207.85, 11,709,850.86 and 4,814,279.15 is: 6,643,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485,207.85 : 11,709,850.86 = 4,814,279.15 : x
  2. Step 2: Convert to fraction form
    8,485,207.85/11,709,850.86 = 4,814,279.15/x
  3. Step 3: Cross multiply
    8,485,207.85x = 11,709,850.86 × 4,814,279.15
  4. Step 4: Simplify right side
    8,485,207.85x = 56,374,490,786,358.30
  5. Step 5: Solve for x
    x = 56,374,490,786,358.30/8,485,207.85
  6. Step 6: Final answer
    x = 6,643,855.02

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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.