Home / 12,085,805.70-18,128,708.55-4,107,629.70

Finding the Fourth Proportional to 12,085,805.70, 18,128,708.55 and 4,107,629.70

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Solution

The fourth proportional to 12,085,805.70, 18,128,708.55 and 4,107,629.70 is: 6,161,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,805.70 : 18,128,708.55 = 4,107,629.70 : x
  2. Step 2: Convert to fraction form
    12,085,805.70/18,128,708.55 = 4,107,629.70/x
  3. Step 3: Cross multiply
    12,085,805.70x = 18,128,708.55 × 4,107,629.70
  4. Step 4: Simplify right side
    12,085,805.70x = 74,466,021,662,623.94
  5. Step 5: Solve for x
    x = 74,466,021,662,623.94/12,085,805.70
  6. Step 6: Final answer
    x = 6,161,444.55

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Similar ratio
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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.