Home / 13,680,285.21-20,508,838.07-5,998,108.05

Finding the Fourth Proportional to 13,680,285.21, 20,508,838.07 and 5,998,108.05

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Solution

The fourth proportional to 13,680,285.21, 20,508,838.07 and 5,998,108.05 is: 8,992,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,680,285.21 : 20,508,838.07 = 5,998,108.05 : x
  2. Step 2: Convert to fraction form
    13,680,285.21/20,508,838.07 = 5,998,108.05/x
  3. Step 3: Cross multiply
    13,680,285.21x = 20,508,838.07 × 5,998,108.05
  4. Step 4: Simplify right side
    13,680,285.21x = 123,014,226,693,822.92
  5. Step 5: Solve for x
    x = 123,014,226,693,822.92/13,680,285.21
  6. Step 6: Final answer
    x = 8,992,080.56

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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.