Home / 13,905,033.40-20,857,550.10-7,933,065.40

Finding the Fourth Proportional to 13,905,033.40, 20,857,550.10 and 7,933,065.40

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Solution

The fourth proportional to 13,905,033.40, 20,857,550.10 and 7,933,065.40 is: 11,899,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,033.40 : 20,857,550.10 = 7,933,065.40 : x
  2. Step 2: Convert to fraction form
    13,905,033.40/20,857,550.10 = 7,933,065.40/x
  3. Step 3: Cross multiply
    13,905,033.40x = 20,857,550.10 × 7,933,065.40
  4. Step 4: Simplify right side
    13,905,033.40x = 165,464,309,027,076.56
  5. Step 5: Solve for x
    x = 165,464,309,027,076.56/13,905,033.40
  6. Step 6: Final answer
    x = 11,899,598.10

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Double scale
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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.