Home / 11,505,815.20-17,264,943.60-5,117,053.60

Finding the Fourth Proportional to 11,505,815.20, 17,264,943.60 and 5,117,053.60

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Solution

The fourth proportional to 11,505,815.20, 17,264,943.60 and 5,117,053.60 is: 7,678,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505,815.20 : 17,264,943.60 = 5,117,053.60 : x
  2. Step 2: Convert to fraction form
    11,505,815.20/17,264,943.60 = 5,117,053.60/x
  3. Step 3: Cross multiply
    11,505,815.20x = 17,264,943.60 × 5,117,053.60
  4. Step 4: Simplify right side
    11,505,815.20x = 88,345,641,802,176.97
  5. Step 5: Solve for x
    x = 88,345,641,802,176.97/11,505,815.20
  6. Step 6: Final answer
    x = 7,678,347.02

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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.