Home / 12,195,362.52-18,293,044.86-3,219,992.28

Finding the Fourth Proportional to 12,195,362.52, 18,293,044.86 and 3,219,992.28

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Solution

The fourth proportional to 12,195,362.52, 18,293,044.86 and 3,219,992.28 is: 4,829,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,362.52 : 18,293,044.86 = 3,219,992.28 : x
  2. Step 2: Convert to fraction form
    12,195,362.52/18,293,044.86 = 3,219,992.28/x
  3. Step 3: Cross multiply
    12,195,362.52x = 18,293,044.86 × 3,219,992.28
  4. Step 4: Simplify right side
    12,195,362.52x = 58,903,463,226,893.67
  5. Step 5: Solve for x
    x = 58,903,463,226,893.67/12,195,362.52
  6. Step 6: Final answer
    x = 4,829,988.71

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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.