Home / 12,115,268.03-16,740,842.54-9,209,614.37

Finding the Fourth Proportional to 12,115,268.03, 16,740,842.54 and 9,209,614.37

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Solution

The fourth proportional to 12,115,268.03, 16,740,842.54 and 9,209,614.37 is: 12,725,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,268.03 : 16,740,842.54 = 9,209,614.37 : x
  2. Step 2: Convert to fraction form
    12,115,268.03/16,740,842.54 = 9,209,614.37/x
  3. Step 3: Cross multiply
    12,115,268.03x = 16,740,842.54 × 9,209,614.37
  4. Step 4: Simplify right side
    12,115,268.03x = 154,176,703,976,243.22
  5. Step 5: Solve for x
    x = 154,176,703,976,243.22/12,115,268.03
  6. Step 6: Final answer
    x = 12,725,818.66

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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.