Home / 13,287,081.03-18,336,171.96-7,175,509.53

Finding the Fourth Proportional to 13,287,081.03, 18,336,171.96 and 7,175,509.53

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Solution

The fourth proportional to 13,287,081.03, 18,336,171.96 and 7,175,509.53 is: 9,902,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,081.03 : 18,336,171.96 = 7,175,509.53 : x
  2. Step 2: Convert to fraction form
    13,287,081.03/18,336,171.96 = 7,175,509.53/x
  3. Step 3: Cross multiply
    13,287,081.03x = 18,336,171.96 × 7,175,509.53
  4. Step 4: Simplify right side
    13,287,081.03x = 131,571,376,642,698.80
  5. Step 5: Solve for x
    x = 131,571,376,642,698.80/13,287,081.03
  6. Step 6: Final answer
    x = 9,902,203.23

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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.