Home / 18,786,928.20-28,180,392.30-14,535,400.20

Finding the Fourth Proportional to 18,786,928.20, 28,180,392.30 and 14,535,400.20

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Solution

The fourth proportional to 18,786,928.20, 28,180,392.30 and 14,535,400.20 is: 21,803,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786,928.20 : 28,180,392.30 = 14,535,400.20 : x
  2. Step 2: Convert to fraction form
    18,786,928.20/28,180,392.30 = 14,535,400.20/x
  3. Step 3: Cross multiply
    18,786,928.20x = 28,180,392.30 × 14,535,400.20
  4. Step 4: Simplify right side
    18,786,928.20x = 409,613,279,873,498.44
  5. Step 5: Solve for x
    x = 409,613,279,873,498.44/18,786,928.20
  6. Step 6: Final answer
    x = 21,803,100.30

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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.