Home / 30,505,723.88-42,087,657.05-17,273,092.22

Finding the Fourth Proportional to 30,505,723.88, 42,087,657.05 and 17,273,092.22

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Solution

The fourth proportional to 30,505,723.88, 42,087,657.05 and 17,273,092.22 is: 23,831,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,723.88 : 42,087,657.05 = 17,273,092.22 : x
  2. Step 2: Convert to fraction form
    30,505,723.88/42,087,657.05 = 17,273,092.22/x
  3. Step 3: Cross multiply
    30,505,723.88x = 42,087,657.05 × 17,273,092.22
  4. Step 4: Simplify right side
    30,505,723.88x = 726,983,981,251,579.38
  5. Step 5: Solve for x
    x = 726,983,981,251,579.38/30,505,723.88
  6. Step 6: Final answer
    x = 23,831,068.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.