Home / 11,869,949.80-17,804,924.70-11,743,978.60

Finding the Fourth Proportional to 11,869,949.80, 17,804,924.70 and 11,743,978.60

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Solution

The fourth proportional to 11,869,949.80, 17,804,924.70 and 11,743,978.60 is: 17,615,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,949.80 : 17,804,924.70 = 11,743,978.60 : x
  2. Step 2: Convert to fraction form
    11,869,949.80/17,804,924.70 = 11,743,978.60/x
  3. Step 3: Cross multiply
    11,869,949.80x = 17,804,924.70 × 11,743,978.60
  4. Step 4: Simplify right side
    11,869,949.80x = 209,100,654,651,411.41
  5. Step 5: Solve for x
    x = 209,100,654,651,411.41/11,869,949.80
  6. Step 6: Final answer
    x = 17,615,967.90

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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.