Home / 12,085,803.70-18,128,705.55-4,107,627.70

Finding the Fourth Proportional to 12,085,803.70, 18,128,705.55 and 4,107,627.70

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Solution

The fourth proportional to 12,085,803.70, 18,128,705.55 and 4,107,627.70 is: 6,161,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,803.70 : 18,128,705.55 = 4,107,627.70 : x
  2. Step 2: Convert to fraction form
    12,085,803.70/18,128,705.55 = 4,107,627.70/x
  3. Step 3: Cross multiply
    12,085,803.70x = 18,128,705.55 × 4,107,627.70
  4. Step 4: Simplify right side
    12,085,803.70x = 74,465,973,082,323.73
  5. Step 5: Solve for x
    x = 74,465,973,082,323.73/12,085,803.70
  6. Step 6: Final answer
    x = 6,161,441.55

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Similar ratio
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1.5x scale

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.