Home / 20,160,919.30-30,241,378.95-11,657,863.30

Finding the Fourth Proportional to 20,160,919.30, 30,241,378.95 and 11,657,863.30

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Solution

The fourth proportional to 20,160,919.30, 30,241,378.95 and 11,657,863.30 is: 17,486,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,919.30 : 30,241,378.95 = 11,657,863.30 : x
  2. Step 2: Convert to fraction form
    20,160,919.30/30,241,378.95 = 11,657,863.30/x
  3. Step 3: Cross multiply
    20,160,919.30x = 30,241,378.95 × 11,657,863.30
  4. Step 4: Simplify right side
    20,160,919.30x = 352,549,861,802,597.56
  5. Step 5: Solve for x
    x = 352,549,861,802,597.56/20,160,919.30
  6. Step 6: Final answer
    x = 17,486,794.95

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Double scale
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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.