Home / 12,418,345.12-18,627,522.48-5,586,940.48

Finding the Fourth Proportional to 12,418,345.12, 18,627,522.48 and 5,586,940.48

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Solution

The fourth proportional to 12,418,345.12, 18,627,522.48 and 5,586,940.48 is: 8,380,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,345.12 : 18,627,522.48 = 5,586,940.48 : x
  2. Step 2: Convert to fraction form
    12,418,345.12/18,627,522.48 = 5,586,940.48/x
  3. Step 3: Cross multiply
    12,418,345.12x = 18,627,522.48 × 5,586,940.48
  4. Step 4: Simplify right side
    12,418,345.12x = 104,070,859,385,622
  5. Step 5: Solve for x
    x = 104,070,859,385,622/12,418,345.12
  6. Step 6: Final answer
    x = 8,380,412.88

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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.