Home / 20,853,074.60-31,216,626.30-18,333,650.60

Finding the Fourth Proportional to 20,853,074.60, 31,216,626.30 and 18,333,650.60

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Solution

The fourth proportional to 20,853,074.60, 31,216,626.30 and 18,333,650.60 is: 27,445,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853,074.60 : 31,216,626.30 = 18,333,650.60 : x
  2. Step 2: Convert to fraction form
    20,853,074.60/31,216,626.30 = 18,333,650.60/x
  3. Step 3: Cross multiply
    20,853,074.60x = 31,216,626.30 × 18,333,650.60
  4. Step 4: Simplify right side
    20,853,074.60x = 572,314,719,494,970.88
  5. Step 5: Solve for x
    x = 572,314,719,494,970.88/20,853,074.60
  6. Step 6: Final answer
    x = 27,445,100.09

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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.