Home / 7,941,599.76-11,907,879.96-5,420,309.52

Finding the Fourth Proportional to 7,941,599.76, 11,907,879.96 and 5,420,309.52

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Solution

The fourth proportional to 7,941,599.76, 11,907,879.96 and 5,420,309.52 is: 8,127,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941,599.76 : 11,907,879.96 = 5,420,309.52 : x
  2. Step 2: Convert to fraction form
    7,941,599.76/11,907,879.96 = 5,420,309.52/x
  3. Step 3: Cross multiply
    7,941,599.76x = 11,907,879.96 × 5,420,309.52
  4. Step 4: Simplify right side
    7,941,599.76x = 64,544,395,110,205.22
  5. Step 5: Solve for x
    x = 64,544,395,110,205.22/7,941,599.76
  6. Step 6: Final answer
    x = 8,127,379.50

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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.