Home / 39,521,722.13-54,539,976.53-21,433,786.13

Finding the Fourth Proportional to 39,521,722.13, 54,539,976.53 and 21,433,786.13

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Solution

The fourth proportional to 39,521,722.13, 54,539,976.53 and 21,433,786.13 is: 29,578,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521,722.13 : 54,539,976.53 = 21,433,786.13 : x
  2. Step 2: Convert to fraction form
    39,521,722.13/54,539,976.53 = 21,433,786.13/x
  3. Step 3: Cross multiply
    39,521,722.13x = 54,539,976.53 × 21,433,786.13
  4. Step 4: Simplify right side
    39,521,722.13x = 1,168,998,192,260,124
  5. Step 5: Solve for x
    x = 1,168,998,192,260,124/39,521,722.13
  6. Step 6: Final answer
    x = 29,578,624.85

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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.