Home / 19,380,999.40-29,071,499.10-5,917,805.80

Finding the Fourth Proportional to 19,380,999.40, 29,071,499.10 and 5,917,805.80

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Solution

The fourth proportional to 19,380,999.40, 29,071,499.10 and 5,917,805.80 is: 8,876,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380,999.40 : 29,071,499.10 = 5,917,805.80 : x
  2. Step 2: Convert to fraction form
    19,380,999.40/29,071,499.10 = 5,917,805.80/x
  3. Step 3: Cross multiply
    19,380,999.40x = 29,071,499.10 × 5,917,805.80
  4. Step 4: Simplify right side
    19,380,999.40x = 172,039,485,988,674.78
  5. Step 5: Solve for x
    x = 172,039,485,988,674.78/19,380,999.40
  6. Step 6: Final answer
    x = 8,876,708.70

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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.