Home / 8,458,643.21-11,672,939.43-4,591,165.19

Finding the Fourth Proportional to 8,458,643.21, 11,672,939.43 and 4,591,165.19

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Solution

The fourth proportional to 8,458,643.21, 11,672,939.43 and 4,591,165.19 is: 6,335,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,643.21 : 11,672,939.43 = 4,591,165.19 : x
  2. Step 2: Convert to fraction form
    8,458,643.21/11,672,939.43 = 4,591,165.19/x
  3. Step 3: Cross multiply
    8,458,643.21x = 11,672,939.43 × 4,591,165.19
  4. Step 4: Simplify right side
    8,458,643.21x = 53,592,393,117,629.74
  5. Step 5: Solve for x
    x = 53,592,393,117,629.74/8,458,643.21
  6. Step 6: Final answer
    x = 6,335,814.36

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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.