Home / 13,287,255.26-18,336,412.26-7,175,683.76

Finding the Fourth Proportional to 13,287,255.26, 18,336,412.26 and 7,175,683.76

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Solution

The fourth proportional to 13,287,255.26, 18,336,412.26 and 7,175,683.76 is: 9,902,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,255.26 : 18,336,412.26 = 7,175,683.76 : x
  2. Step 2: Convert to fraction form
    13,287,255.26/18,336,412.26 = 7,175,683.76/x
  3. Step 3: Cross multiply
    13,287,255.26x = 18,336,412.26 × 7,175,683.76
  4. Step 4: Simplify right side
    13,287,255.26x = 131,576,295,579,064.84
  5. Step 5: Solve for x
    x = 131,576,295,579,064.84/13,287,255.26
  6. Step 6: Final answer
    x = 9,902,443.59

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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.