Home / 12,832,455.12-19,248,682.68-4,312,791.60

Finding the Fourth Proportional to 12,832,455.12, 19,248,682.68 and 4,312,791.60

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Solution

The fourth proportional to 12,832,455.12, 19,248,682.68 and 4,312,791.60 is: 6,469,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832,455.12 : 19,248,682.68 = 4,312,791.60 : x
  2. Step 2: Convert to fraction form
    12,832,455.12/19,248,682.68 = 4,312,791.60/x
  3. Step 3: Cross multiply
    12,832,455.12x = 19,248,682.68 × 4,312,791.60
  4. Step 4: Simplify right side
    12,832,455.12x = 83,015,556,973,369.48
  5. Step 5: Solve for x
    x = 83,015,556,973,369.48/12,832,455.12
  6. Step 6: Final answer
    x = 6,469,187.40

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Similar ratio
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1.5x scale

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.