Home / 18,695,656.80-28,046,109.60-5,914,828.80

Finding the Fourth Proportional to 18,695,656.80, 28,046,109.60 and 5,914,828.80

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Solution

The fourth proportional to 18,695,656.80, 28,046,109.60 and 5,914,828.80 is: 8,873,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,656.80 : 28,046,109.60 = 5,914,828.80 : x
  2. Step 2: Convert to fraction form
    18,695,656.80/28,046,109.60 = 5,914,828.80/x
  3. Step 3: Cross multiply
    18,695,656.80x = 28,046,109.60 × 5,914,828.80
  4. Step 4: Simplify right side
    18,695,656.80x = 165,887,936,790,036.47
  5. Step 5: Solve for x
    x = 165,887,936,790,036.47/18,695,656.80
  6. Step 6: Final answer
    x = 8,873,073.49

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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.