Home / 13,170,009.60-19,853,725.32-12,292,147.44

Finding the Fourth Proportional to 13,170,009.60, 19,853,725.32 and 12,292,147.44

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Solution

The fourth proportional to 13,170,009.60, 19,853,725.32 and 12,292,147.44 is: 18,530,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170,009.60 : 19,853,725.32 = 12,292,147.44 : x
  2. Step 2: Convert to fraction form
    13,170,009.60/19,853,725.32 = 12,292,147.44/x
  3. Step 3: Cross multiply
    13,170,009.60x = 19,853,725.32 × 12,292,147.44
  4. Step 4: Simplify right side
    13,170,009.60x = 244,044,918,866,701.19
  5. Step 5: Solve for x
    x = 244,044,918,866,701.19/13,170,009.60
  6. Step 6: Final answer
    x = 18,530,352.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.