Home / 20,737,759.10-31,106,638.66-19,562,027.90

Finding the Fourth Proportional to 20,737,759.10, 31,106,638.66 and 19,562,027.90

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Solution

The fourth proportional to 20,737,759.10, 31,106,638.66 and 19,562,027.90 is: 29,343,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,759.10 : 31,106,638.66 = 19,562,027.90 : x
  2. Step 2: Convert to fraction form
    20,737,759.10/31,106,638.66 = 19,562,027.90/x
  3. Step 3: Cross multiply
    20,737,759.10x = 31,106,638.66 × 19,562,027.90
  4. Step 4: Simplify right side
    20,737,759.10x = 608,508,933,342,138.62
  5. Step 5: Solve for x
    x = 608,508,933,342,138.62/20,737,759.10
  6. Step 6: Final answer
    x = 29,343,041.86

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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.