Home / 13,487,448.76-18,614,379.54-8,845,137.88

Finding the Fourth Proportional to 13,487,448.76, 18,614,379.54 and 8,845,137.88

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Solution

The fourth proportional to 13,487,448.76, 18,614,379.54 and 8,845,137.88 is: 12,207,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,448.76 : 18,614,379.54 = 8,845,137.88 : x
  2. Step 2: Convert to fraction form
    13,487,448.76/18,614,379.54 = 8,845,137.88/x
  3. Step 3: Cross multiply
    13,487,448.76x = 18,614,379.54 × 8,845,137.88
  4. Step 4: Simplify right side
    13,487,448.76x = 164,646,753,581,950.97
  5. Step 5: Solve for x
    x = 164,646,753,581,950.97/13,487,448.76
  6. Step 6: Final answer
    x = 12,207,405.31

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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.