Home / 13,203,372.20-19,804,897.18-3,618,742.92

Finding the Fourth Proportional to 13,203,372.20, 19,804,897.18 and 3,618,742.92

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Solution

The fourth proportional to 13,203,372.20, 19,804,897.18 and 3,618,742.92 is: 5,428,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,372.20 : 19,804,897.18 = 3,618,742.92 : x
  2. Step 2: Convert to fraction form
    13,203,372.20/19,804,897.18 = 3,618,742.92/x
  3. Step 3: Cross multiply
    13,203,372.20x = 19,804,897.18 × 3,618,742.92
  4. Step 4: Simplify right side
    13,203,372.20x = 71,668,831,451,452.97
  5. Step 5: Solve for x
    x = 71,668,831,451,452.97/13,203,372.20
  6. Step 6: Final answer
    x = 5,428,070.22

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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.