Home / 6,989,201.82-9,648,074.57-4,698,691.11

Finding the Fourth Proportional to 6,989,201.82, 9,648,074.57 and 4,698,691.11

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Solution

The fourth proportional to 6,989,201.82, 9,648,074.57 and 4,698,691.11 is: 6,486,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,201.82 : 9,648,074.57 = 4,698,691.11 : x
  2. Step 2: Convert to fraction form
    6,989,201.82/9,648,074.57 = 4,698,691.11/x
  3. Step 3: Cross multiply
    6,989,201.82x = 9,648,074.57 × 4,698,691.11
  4. Step 4: Simplify right side
    6,989,201.82x = 45,333,322,187,182.62
  5. Step 5: Solve for x
    x = 45,333,322,187,182.62/6,989,201.82
  6. Step 6: Final answer
    x = 6,486,194.47

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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.