Home / 8,077,207.70-12,115,811.55-5,809,726.10

Finding the Fourth Proportional to 8,077,207.70, 12,115,811.55 and 5,809,726.10

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Solution

The fourth proportional to 8,077,207.70, 12,115,811.55 and 5,809,726.10 is: 8,714,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,207.70 : 12,115,811.55 = 5,809,726.10 : x
  2. Step 2: Convert to fraction form
    8,077,207.70/12,115,811.55 = 5,809,726.10/x
  3. Step 3: Cross multiply
    8,077,207.70x = 12,115,811.55 × 5,809,726.10
  4. Step 4: Simplify right side
    8,077,207.70x = 70,389,546,584,716.45
  5. Step 5: Solve for x
    x = 70,389,546,584,716.45/8,077,207.70
  6. Step 6: Final answer
    x = 8,714,589.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.