Home / 13,299,161.47-19,904,787.60-12,104,083.52

Finding the Fourth Proportional to 13,299,161.47, 19,904,787.60 and 12,104,083.52

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Solution

The fourth proportional to 13,299,161.47, 19,904,787.60 and 12,104,083.52 is: 18,116,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,161.47 : 19,904,787.60 = 12,104,083.52 : x
  2. Step 2: Convert to fraction form
    13,299,161.47/19,904,787.60 = 12,104,083.52/x
  3. Step 3: Cross multiply
    13,299,161.47x = 19,904,787.60 × 12,104,083.52
  4. Step 4: Simplify right side
    13,299,161.47x = 240,929,211,558,260.38
  5. Step 5: Solve for x
    x = 240,929,211,558,260.38/13,299,161.47
  6. Step 6: Final answer
    x = 18,116,120.49

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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.