Home / 13,287,074.58-18,336,163.15-7,175,503.08

Finding the Fourth Proportional to 13,287,074.58, 18,336,163.15 and 7,175,503.08

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Solution

The fourth proportional to 13,287,074.58, 18,336,163.15 and 7,175,503.08 is: 9,902,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,074.58 : 18,336,163.15 = 7,175,503.08 : x
  2. Step 2: Convert to fraction form
    13,287,074.58/18,336,163.15 = 7,175,503.08/x
  3. Step 3: Cross multiply
    13,287,074.58x = 18,336,163.15 × 7,175,503.08
  4. Step 4: Simplify right side
    13,287,074.58x = 131,571,195,158,207.50
  5. Step 5: Solve for x
    x = 131,571,195,158,207.50/13,287,074.58
  6. Step 6: Final answer
    x = 9,902,194.37

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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.