Home / 13,299,178.31-19,904,812.83-12,104,100.38

Finding the Fourth Proportional to 13,299,178.31, 19,904,812.83 and 12,104,100.38

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Solution

The fourth proportional to 13,299,178.31, 19,904,812.83 and 12,104,100.38 is: 18,116,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,178.31 : 19,904,812.83 = 12,104,100.38 : x
  2. Step 2: Convert to fraction form
    13,299,178.31/19,904,812.83 = 12,104,100.38/x
  3. Step 3: Cross multiply
    13,299,178.31x = 19,904,812.83 × 12,104,100.38
  4. Step 4: Simplify right side
    13,299,178.31x = 240,929,852,539,431.88
  5. Step 5: Solve for x
    x = 240,929,852,539,431.88/13,299,178.31
  6. Step 6: Final answer
    x = 18,116,145.74

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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.