Home / 19,958,906.20-29,938,359.30-10,888,979.80

Finding the Fourth Proportional to 19,958,906.20, 29,938,359.30 and 10,888,979.80

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Solution

The fourth proportional to 19,958,906.20, 29,938,359.30 and 10,888,979.80 is: 16,333,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,906.20 : 29,938,359.30 = 10,888,979.80 : x
  2. Step 2: Convert to fraction form
    19,958,906.20/29,938,359.30 = 10,888,979.80/x
  3. Step 3: Cross multiply
    19,958,906.20x = 29,938,359.30 × 10,888,979.80
  4. Step 4: Simplify right side
    19,958,906.20x = 325,998,189,662,842.19
  5. Step 5: Solve for x
    x = 325,998,189,662,842.19/19,958,906.20
  6. Step 6: Final answer
    x = 16,333,469.70

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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.