Home / 13,251,339.54-18,287,952.93-7,372,081.20

Finding the Fourth Proportional to 13,251,339.54, 18,287,952.93 and 7,372,081.20

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Solution

The fourth proportional to 13,251,339.54, 18,287,952.93 and 7,372,081.20 is: 10,174,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251,339.54 : 18,287,952.93 = 7,372,081.20 : x
  2. Step 2: Convert to fraction form
    13,251,339.54/18,287,952.93 = 7,372,081.20/x
  3. Step 3: Cross multiply
    13,251,339.54x = 18,287,952.93 × 7,372,081.20
  4. Step 4: Simplify right side
    13,251,339.54x = 134,820,273,981,737.92
  5. Step 5: Solve for x
    x = 134,820,273,981,737.92/13,251,339.54
  6. Step 6: Final answer
    x = 10,174,086.44

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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.