Home / 20,703,939.39-31,096,264.64-16,868,596.12

Finding the Fourth Proportional to 20,703,939.39, 31,096,264.64 and 16,868,596.12

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Solution

The fourth proportional to 20,703,939.39, 31,096,264.64 and 16,868,596.12 is: 25,335,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703,939.39 : 31,096,264.64 = 16,868,596.12 : x
  2. Step 2: Convert to fraction form
    20,703,939.39/31,096,264.64 = 16,868,596.12/x
  3. Step 3: Cross multiply
    20,703,939.39x = 31,096,264.64 × 16,868,596.12
  4. Step 4: Simplify right side
    20,703,939.39x = 524,550,328,890,713.56
  5. Step 5: Solve for x
    x = 524,550,328,890,713.56/20,703,939.39
  6. Step 6: Final answer
    x = 25,335,773.98

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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.