Home / 13,397,081.96-18,487,799.70-7,285,379.24

Finding the Fourth Proportional to 13,397,081.96, 18,487,799.70 and 7,285,379.24

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Solution

The fourth proportional to 13,397,081.96, 18,487,799.70 and 7,285,379.24 is: 10,053,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,081.96 : 18,487,799.70 = 7,285,379.24 : x
  2. Step 2: Convert to fraction form
    13,397,081.96/18,487,799.70 = 7,285,379.24/x
  3. Step 3: Cross multiply
    13,397,081.96x = 18,487,799.70 × 7,285,379.24
  4. Step 4: Simplify right side
    13,397,081.96x = 134,690,632,127,658.23
  5. Step 5: Solve for x
    x = 134,690,632,127,658.23/13,397,081.96
  6. Step 6: Final answer
    x = 10,053,729.05

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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.