Home / 13,436,473.66-18,536,480.85-8,539,071.10

Finding the Fourth Proportional to 13,436,473.66, 18,536,480.85 and 8,539,071.10

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Solution

The fourth proportional to 13,436,473.66, 18,536,480.85 and 8,539,071.10 is: 11,780,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,473.66 : 18,536,480.85 = 8,539,071.10 : x
  2. Step 2: Convert to fraction form
    13,436,473.66/18,536,480.85 = 8,539,071.10/x
  3. Step 3: Cross multiply
    13,436,473.66x = 18,536,480.85 × 8,539,071.10
  4. Step 4: Simplify right side
    13,436,473.66x = 158,284,327,921,938.44
  5. Step 5: Solve for x
    x = 158,284,327,921,938.44/13,436,473.66
  6. Step 6: Final answer
    x = 11,780,198.58

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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.