Home / 13,299,069.48-19,919,735.82-8,165,918.04

Finding the Fourth Proportional to 13,299,069.48, 19,919,735.82 and 8,165,918.04

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Solution

The fourth proportional to 13,299,069.48, 19,919,735.82 and 8,165,918.04 is: 12,231,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,069.48 : 19,919,735.82 = 8,165,918.04 : x
  2. Step 2: Convert to fraction form
    13,299,069.48/19,919,735.82 = 8,165,918.04/x
  3. Step 3: Cross multiply
    13,299,069.48x = 19,919,735.82 × 8,165,918.04
  4. Step 4: Simplify right side
    13,299,069.48x = 162,662,930,084,572.19
  5. Step 5: Solve for x
    x = 162,662,930,084,572.19/13,299,069.48
  6. Step 6: Final answer
    x = 12,231,151.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.