Home / 7,770,400.80-11,650,071.60-2,976,237.60

Finding the Fourth Proportional to 7,770,400.80, 11,650,071.60 and 2,976,237.60

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Solution

The fourth proportional to 7,770,400.80, 11,650,071.60 and 2,976,237.60 is: 4,462,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,400.80 : 11,650,071.60 = 2,976,237.60 : x
  2. Step 2: Convert to fraction form
    7,770,400.80/11,650,071.60 = 2,976,237.60/x
  3. Step 3: Cross multiply
    7,770,400.80x = 11,650,071.60 × 2,976,237.60
  4. Step 4: Simplify right side
    7,770,400.80x = 34,673,381,138,612.16
  5. Step 5: Solve for x
    x = 34,673,381,138,612.16/7,770,400.80
  6. Step 6: Final answer
    x = 4,462,238.44

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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.