Home / 20,553,450.12-30,837,057.84-6,721,046.82

Finding the Fourth Proportional to 20,553,450.12, 30,837,057.84 and 6,721,046.82

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Solution

The fourth proportional to 20,553,450.12, 30,837,057.84 and 6,721,046.82 is: 10,083,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,450.12 : 30,837,057.84 = 6,721,046.82 : x
  2. Step 2: Convert to fraction form
    20,553,450.12/30,837,057.84 = 6,721,046.82/x
  3. Step 3: Cross multiply
    20,553,450.12x = 30,837,057.84 × 6,721,046.82
  4. Step 4: Simplify right side
    20,553,450.12x = 207,257,309,533,688.06
  5. Step 5: Solve for x
    x = 207,257,309,533,688.06/20,553,450.12
  6. Step 6: Final answer
    x = 10,083,820.88

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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.