Home / 20,483,669.80-30,725,504.70-5,337,601.30

Finding the Fourth Proportional to 20,483,669.80, 30,725,504.70 and 5,337,601.30

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Solution

The fourth proportional to 20,483,669.80, 30,725,504.70 and 5,337,601.30 is: 8,006,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,669.80 : 30,725,504.70 = 5,337,601.30 : x
  2. Step 2: Convert to fraction form
    20,483,669.80/30,725,504.70 = 5,337,601.30/x
  3. Step 3: Cross multiply
    20,483,669.80x = 30,725,504.70 × 5,337,601.30
  4. Step 4: Simplify right side
    20,483,669.80x = 164,000,493,829,876.09
  5. Step 5: Solve for x
    x = 164,000,493,829,876.09/20,483,669.80
  6. Step 6: Final answer
    x = 8,006,401.95

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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.