Home / 19,313,308.96-28,965,469.11-7,188,482.54

Finding the Fourth Proportional to 19,313,308.96, 28,965,469.11 and 7,188,482.54

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Solution

The fourth proportional to 19,313,308.96, 28,965,469.11 and 7,188,482.54 is: 10,781,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,308.96 : 28,965,469.11 = 7,188,482.54 : x
  2. Step 2: Convert to fraction form
    19,313,308.96/28,965,469.11 = 7,188,482.54/x
  3. Step 3: Cross multiply
    19,313,308.96x = 28,965,469.11 × 7,188,482.54
  4. Step 4: Simplify right side
    19,313,308.96x = 208,217,769,059,514.84
  5. Step 5: Solve for x
    x = 208,217,769,059,514.84/19,313,308.96
  6. Step 6: Final answer
    x = 10,781,051.01

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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.