Home / 13,215,846.75-19,824,725.57-5,531,763.48

Finding the Fourth Proportional to 13,215,846.75, 19,824,725.57 and 5,531,763.48

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Solution

The fourth proportional to 13,215,846.75, 19,824,725.57 and 5,531,763.48 is: 8,298,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,846.75 : 19,824,725.57 = 5,531,763.48 : x
  2. Step 2: Convert to fraction form
    13,215,846.75/19,824,725.57 = 5,531,763.48/x
  3. Step 3: Cross multiply
    13,215,846.75x = 19,824,725.57 × 5,531,763.48
  4. Step 4: Simplify right side
    13,215,846.75x = 109,665,692,807,146.66
  5. Step 5: Solve for x
    x = 109,665,692,807,146.66/13,215,846.75
  6. Step 6: Final answer
    x = 8,298,045.13

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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.