Home / 28,812,891.62-43,219,410.60-11,773,561.52

Finding the Fourth Proportional to 28,812,891.62, 43,219,410.60 and 11,773,561.52

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Solution

The fourth proportional to 28,812,891.62, 43,219,410.60 and 11,773,561.52 is: 17,660,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812,891.62 : 43,219,410.60 = 11,773,561.52 : x
  2. Step 2: Convert to fraction form
    28,812,891.62/43,219,410.60 = 11,773,561.52/x
  3. Step 3: Cross multiply
    28,812,891.62x = 43,219,410.60 × 11,773,561.52
  4. Step 4: Simplify right side
    28,812,891.62x = 508,846,389,557,240.12
  5. Step 5: Solve for x
    x = 508,846,389,557,240.12/28,812,891.62
  6. Step 6: Final answer
    x = 17,660,372.18

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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.