Home / 13,168,941.12-18,173,843.64-7,367,374.44

Finding the Fourth Proportional to 13,168,941.12, 18,173,843.64 and 7,367,374.44

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Solution

The fourth proportional to 13,168,941.12, 18,173,843.64 and 7,367,374.44 is: 10,167,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,941.12 : 18,173,843.64 = 7,367,374.44 : x
  2. Step 2: Convert to fraction form
    13,168,941.12/18,173,843.64 = 7,367,374.44/x
  3. Step 3: Cross multiply
    13,168,941.12x = 18,173,843.64 × 7,367,374.44
  4. Step 4: Simplify right side
    13,168,941.12x = 133,893,511,109,892.58
  5. Step 5: Solve for x
    x = 133,893,511,109,892.58/13,168,941.12
  6. Step 6: Final answer
    x = 10,167,371.08

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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.