Home / 11,028,701.10-16,543,051.65-7,981,772.70

Finding the Fourth Proportional to 11,028,701.10, 16,543,051.65 and 7,981,772.70

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Solution

The fourth proportional to 11,028,701.10, 16,543,051.65 and 7,981,772.70 is: 11,972,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,701.10 : 16,543,051.65 = 7,981,772.70 : x
  2. Step 2: Convert to fraction form
    11,028,701.10/16,543,051.65 = 7,981,772.70/x
  3. Step 3: Cross multiply
    11,028,701.10x = 16,543,051.65 × 7,981,772.70
  4. Step 4: Simplify right side
    11,028,701.10x = 132,042,878,034,659.97
  5. Step 5: Solve for x
    x = 132,042,878,034,659.97/11,028,701.10
  6. Step 6: Final answer
    x = 11,972,659.05

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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.