Home / 8,422,786.41-11,623,445.28-4,555,307.58

Finding the Fourth Proportional to 8,422,786.41, 11,623,445.28 and 4,555,307.58

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Solution

The fourth proportional to 8,422,786.41, 11,623,445.28 and 4,555,307.58 is: 6,286,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,786.41 : 11,623,445.28 = 4,555,307.58 : x
  2. Step 2: Convert to fraction form
    8,422,786.41/11,623,445.28 = 4,555,307.58/x
  3. Step 3: Cross multiply
    8,422,786.41x = 11,623,445.28 × 4,555,307.58
  4. Step 4: Simplify right side
    8,422,786.41x = 52,948,368,389,699.22
  5. Step 5: Solve for x
    x = 52,948,368,389,699.22/8,422,786.41
  6. Step 6: Final answer
    x = 6,286,324.48

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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.