Home / 11,693,321.80-17,539,982.70-7,662,243.40

Finding the Fourth Proportional to 11,693,321.80, 17,539,982.70 and 7,662,243.40

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Solution

The fourth proportional to 11,693,321.80, 17,539,982.70 and 7,662,243.40 is: 11,493,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693,321.80 : 17,539,982.70 = 7,662,243.40 : x
  2. Step 2: Convert to fraction form
    11,693,321.80/17,539,982.70 = 7,662,243.40/x
  3. Step 3: Cross multiply
    11,693,321.80x = 17,539,982.70 × 7,662,243.40
  4. Step 4: Simplify right side
    11,693,321.80x = 134,395,616,679,189.19
  5. Step 5: Solve for x
    x = 134,395,616,679,189.19/11,693,321.80
  6. Step 6: Final answer
    x = 11,493,365.10

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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.