Home / 13,525,453.92-18,654,242.88-11,890,365.24

Finding the Fourth Proportional to 13,525,453.92, 18,654,242.88 and 11,890,365.24

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Solution

The fourth proportional to 13,525,453.92, 18,654,242.88 and 11,890,365.24 is: 16,399,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525,453.92 : 18,654,242.88 = 11,890,365.24 : x
  2. Step 2: Convert to fraction form
    13,525,453.92/18,654,242.88 = 11,890,365.24/x
  3. Step 3: Cross multiply
    13,525,453.92x = 18,654,242.88 × 11,890,365.24
  4. Step 4: Simplify right side
    13,525,453.92x = 221,805,761,118,869.47
  5. Step 5: Solve for x
    x = 221,805,761,118,869.47/13,525,453.92
  6. Step 6: Final answer
    x = 16,399,136.21

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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.