Home / 20,170,989.96-30,099,161.37-17,997,069.96

Finding the Fourth Proportional to 20,170,989.96, 30,099,161.37 and 17,997,069.96

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Solution

The fourth proportional to 20,170,989.96, 30,099,161.37 and 17,997,069.96 is: 26,855,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170,989.96 : 30,099,161.37 = 17,997,069.96 : x
  2. Step 2: Convert to fraction form
    20,170,989.96/30,099,161.37 = 17,997,069.96/x
  3. Step 3: Cross multiply
    20,170,989.96x = 30,099,161.37 × 17,997,069.96
  4. Step 4: Simplify right side
    20,170,989.96x = 541,696,712,913,219.50
  5. Step 5: Solve for x
    x = 541,696,712,913,219.50/20,170,989.96
  6. Step 6: Final answer
    x = 26,855,236.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.