Home / 29,040,066.90-43,560,100.35-18,887,721.30

Finding the Fourth Proportional to 29,040,066.90, 43,560,100.35 and 18,887,721.30

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Solution

The fourth proportional to 29,040,066.90, 43,560,100.35 and 18,887,721.30 is: 28,331,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040,066.90 : 43,560,100.35 = 18,887,721.30 : x
  2. Step 2: Convert to fraction form
    29,040,066.90/43,560,100.35 = 18,887,721.30/x
  3. Step 3: Cross multiply
    29,040,066.90x = 43,560,100.35 × 18,887,721.30
  4. Step 4: Simplify right side
    29,040,066.90x = 822,751,035,210,832.50
  5. Step 5: Solve for x
    x = 822,751,035,210,832.50/29,040,066.90
  6. Step 6: Final answer
    x = 28,331,581.95

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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.