Home / 20,883,291.60-31,324,937.42-19,466,115.60

Finding the Fourth Proportional to 20,883,291.60, 31,324,937.42 and 19,466,115.60

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Solution

The fourth proportional to 20,883,291.60, 31,324,937.42 and 19,466,115.60 is: 29,199,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,291.60 : 31,324,937.42 = 19,466,115.60 : x
  2. Step 2: Convert to fraction form
    20,883,291.60/31,324,937.42 = 19,466,115.60/x
  3. Step 3: Cross multiply
    20,883,291.60x = 31,324,937.42 × 19,466,115.60
  4. Step 4: Simplify right side
    20,883,291.60x = 609,774,852,980,485.88
  5. Step 5: Solve for x
    x = 609,774,852,980,485.88/20,883,291.60
  6. Step 6: Final answer
    x = 29,199,173.42

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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.