Home / 12,914,018.88-17,822,154.63-7,112,798.47

Finding the Fourth Proportional to 12,914,018.88, 17,822,154.63 and 7,112,798.47

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Solution

The fourth proportional to 12,914,018.88, 17,822,154.63 and 7,112,798.47 is: 9,816,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,018.88 : 17,822,154.63 = 7,112,798.47 : x
  2. Step 2: Convert to fraction form
    12,914,018.88/17,822,154.63 = 7,112,798.47/x
  3. Step 3: Cross multiply
    12,914,018.88x = 17,822,154.63 × 7,112,798.47
  4. Step 4: Simplify right side
    12,914,018.88x = 126,765,394,184,367.41
  5. Step 5: Solve for x
    x = 126,765,394,184,367.41/12,914,018.88
  6. Step 6: Final answer
    x = 9,816,107.24

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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.