Home / 13,086,979.08-18,059,678.29-7,285,761.33

Finding the Fourth Proportional to 13,086,979.08, 18,059,678.29 and 7,285,761.33

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Solution

The fourth proportional to 13,086,979.08, 18,059,678.29 and 7,285,761.33 is: 10,054,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086,979.08 : 18,059,678.29 = 7,285,761.33 : x
  2. Step 2: Convert to fraction form
    13,086,979.08/18,059,678.29 = 7,285,761.33/x
  3. Step 3: Cross multiply
    13,086,979.08x = 18,059,678.29 × 7,285,761.33
  4. Step 4: Simplify right side
    13,086,979.08x = 131,578,505,717,522.52
  5. Step 5: Solve for x
    x = 131,578,505,717,522.52/13,086,979.08
  6. Step 6: Final answer
    x = 10,054,154.20

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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.