Home / 10,612,981.96-15,919,784.70-2,936,689.80

Finding the Fourth Proportional to 10,612,981.96, 15,919,784.70 and 2,936,689.80

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Solution

The fourth proportional to 10,612,981.96, 15,919,784.70 and 2,936,689.80 is: 4,405,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612,981.96 : 15,919,784.70 = 2,936,689.80 : x
  2. Step 2: Convert to fraction form
    10,612,981.96/15,919,784.70 = 2,936,689.80/x
  3. Step 3: Cross multiply
    10,612,981.96x = 15,919,784.70 × 2,936,689.80
  4. Step 4: Simplify right side
    10,612,981.96x = 46,751,469,346,686.05
  5. Step 5: Solve for x
    x = 46,751,469,346,686.05/10,612,981.96
  6. Step 6: Final answer
    x = 4,405,120.97

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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.