Home / 12,272,066.82-18,413,522.59-6,434,858.55

Finding the Fourth Proportional to 12,272,066.82, 18,413,522.59 and 6,434,858.55

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Solution

The fourth proportional to 12,272,066.82, 18,413,522.59 and 6,434,858.55 is: 9,655,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,066.82 : 18,413,522.59 = 6,434,858.55 : x
  2. Step 2: Convert to fraction form
    12,272,066.82/18,413,522.59 = 6,434,858.55/x
  3. Step 3: Cross multiply
    12,272,066.82x = 18,413,522.59 × 6,434,858.55
  4. Step 4: Simplify right side
    12,272,066.82x = 118,488,413,273,879.64
  5. Step 5: Solve for x
    x = 118,488,413,273,879.64/12,272,066.82
  6. Step 6: Final answer
    x = 9,655,131.04

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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.