Home / 13,168,605.08-18,169,170.54-9,039,899

Finding the Fourth Proportional to 13,168,605.08, 18,169,170.54 and 9,039,899

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Solution

The fourth proportional to 13,168,605.08, 18,169,170.54 and 9,039,899 is: 12,472,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,605.08 : 18,169,170.54 = 9,039,899 : x
  2. Step 2: Convert to fraction form
    13,168,605.08/18,169,170.54 = 9,039,899/x
  3. Step 3: Cross multiply
    13,168,605.08x = 18,169,170.54 × 9,039,899
  4. Step 4: Simplify right side
    13,168,605.08x = 164,247,466,595,375.44
  5. Step 5: Solve for x
    x = 164,247,466,595,375.44/13,168,605.08
  6. Step 6: Final answer
    x = 12,472,654.89

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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.