Home / 12,259,128.03-16,917,596.61-7,105,478.94

Finding the Fourth Proportional to 12,259,128.03, 16,917,596.61 and 7,105,478.94

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Solution

The fourth proportional to 12,259,128.03, 16,917,596.61 and 7,105,478.94 is: 9,805,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,128.03 : 16,917,596.61 = 7,105,478.94 : x
  2. Step 2: Convert to fraction form
    12,259,128.03/16,917,596.61 = 7,105,478.94/x
  3. Step 3: Cross multiply
    12,259,128.03x = 16,917,596.61 × 7,105,478.94
  4. Step 4: Simplify right side
    12,259,128.03x = 120,207,626,427,770.39
  5. Step 5: Solve for x
    x = 120,207,626,427,770.39/12,259,128.03
  6. Step 6: Final answer
    x = 9,805,560.90

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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.