Home / 20,672,609.84-31,006,548.69-5,527,722.32

Finding the Fourth Proportional to 20,672,609.84, 31,006,548.69 and 5,527,722.32

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Solution

The fourth proportional to 20,672,609.84, 31,006,548.69 and 5,527,722.32 is: 8,290,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,609.84 : 31,006,548.69 = 5,527,722.32 : x
  2. Step 2: Convert to fraction form
    20,672,609.84/31,006,548.69 = 5,527,722.32/x
  3. Step 3: Cross multiply
    20,672,609.84x = 31,006,548.69 × 5,527,722.32
  4. Step 4: Simplify right side
    20,672,609.84x = 171,395,591,104,847.03
  5. Step 5: Solve for x
    x = 171,395,591,104,847.03/20,672,609.84
  6. Step 6: Final answer
    x = 8,290,950.80

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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.