Home / 13,210,825.92-18,214,068.96-8,556,390.96

Finding the Fourth Proportional to 13,210,825.92, 18,214,068.96 and 8,556,390.96

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Solution

The fourth proportional to 13,210,825.92, 18,214,068.96 and 8,556,390.96 is: 11,796,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,825.92 : 18,214,068.96 = 8,556,390.96 : x
  2. Step 2: Convert to fraction form
    13,210,825.92/18,214,068.96 = 8,556,390.96/x
  3. Step 3: Cross multiply
    13,210,825.92x = 18,214,068.96 × 8,556,390.96
  4. Step 4: Simplify right side
    13,210,825.92x = 155,846,694,994,160.62
  5. Step 5: Solve for x
    x = 155,846,694,994,160.62/13,210,825.92
  6. Step 6: Final answer
    x = 11,796,892.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.