Home / 20,996,850.75-31,507,676.43-8,865,528.96

Finding the Fourth Proportional to 20,996,850.75, 31,507,676.43 and 8,865,528.96

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Solution

The fourth proportional to 20,996,850.75, 31,507,676.43 and 8,865,528.96 is: 13,303,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,850.75 : 31,507,676.43 = 8,865,528.96 : x
  2. Step 2: Convert to fraction form
    20,996,850.75/31,507,676.43 = 8,865,528.96/x
  3. Step 3: Cross multiply
    20,996,850.75x = 31,507,676.43 × 8,865,528.96
  4. Step 4: Simplify right side
    20,996,850.75x = 279,332,217,852,474.44
  5. Step 5: Solve for x
    x = 279,332,217,852,474.44/20,996,850.75
  6. Step 6: Final answer
    x = 13,303,529.24

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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.