Home / 7,080,791.78-9,771,478.32-3,983,317.31

Finding the Fourth Proportional to 7,080,791.78, 9,771,478.32 and 3,983,317.31

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Solution

The fourth proportional to 7,080,791.78, 9,771,478.32 and 3,983,317.31 is: 5,496,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080,791.78 : 9,771,478.32 = 3,983,317.31 : x
  2. Step 2: Convert to fraction form
    7,080,791.78/9,771,478.32 = 3,983,317.31/x
  3. Step 3: Cross multiply
    7,080,791.78x = 9,771,478.32 × 3,983,317.31
  4. Step 4: Simplify right side
    7,080,791.78x = 38,922,898,698,341.12
  5. Step 5: Solve for x
    x = 38,922,898,698,341.12/7,080,791.78
  6. Step 6: Final answer
    x = 5,496,969.82

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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.