Home / 20,985,735.76-31,440,240.01-15,214,175.33

Finding the Fourth Proportional to 20,985,735.76, 31,440,240.01 and 15,214,175.33

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Solution

The fourth proportional to 20,985,735.76, 31,440,240.01 and 15,214,175.33 is: 22,793,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,985,735.76 : 31,440,240.01 = 15,214,175.33 : x
  2. Step 2: Convert to fraction form
    20,985,735.76/31,440,240.01 = 15,214,175.33/x
  3. Step 3: Cross multiply
    20,985,735.76x = 31,440,240.01 × 15,214,175.33
  4. Step 4: Simplify right side
    20,985,735.76x = 478,337,323,791,237.44
  5. Step 5: Solve for x
    x = 478,337,323,791,237.44/20,985,735.76
  6. Step 6: Final answer
    x = 22,793,450.24

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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.