Home / 13,653,361.86-18,842,211.78-7,852,148.13

Finding the Fourth Proportional to 13,653,361.86, 18,842,211.78 and 7,852,148.13

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Solution

The fourth proportional to 13,653,361.86, 18,842,211.78 and 7,852,148.13 is: 10,836,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,361.86 : 18,842,211.78 = 7,852,148.13 : x
  2. Step 2: Convert to fraction form
    13,653,361.86/18,842,211.78 = 7,852,148.13/x
  3. Step 3: Cross multiply
    13,653,361.86x = 18,842,211.78 × 7,852,148.13
  4. Step 4: Simplify right side
    13,653,361.86x = 147,951,837,993,390.97
  5. Step 5: Solve for x
    x = 147,951,837,993,390.97/13,653,361.86
  6. Step 6: Final answer
    x = 10,836,293.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.