Home / 20,867,344.48-28,796,379.74-12,046,498.06

Finding the Fourth Proportional to 20,867,344.48, 28,796,379.74 and 12,046,498.06

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Solution

The fourth proportional to 20,867,344.48, 28,796,379.74 and 12,046,498.06 is: 16,623,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,867,344.48 : 28,796,379.74 = 12,046,498.06 : x
  2. Step 2: Convert to fraction form
    20,867,344.48/28,796,379.74 = 12,046,498.06/x
  3. Step 3: Cross multiply
    20,867,344.48x = 28,796,379.74 × 12,046,498.06
  4. Step 4: Simplify right side
    20,867,344.48x = 346,895,532,672,933.31
  5. Step 5: Solve for x
    x = 346,895,532,672,933.31/20,867,344.48
  6. Step 6: Final answer
    x = 16,623,846.56

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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.