Home / 31,976,116.07-44,132,006.99-20,994,722.51

Finding the Fourth Proportional to 31,976,116.07, 44,132,006.99 and 20,994,722.51

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Solution

The fourth proportional to 31,976,116.07, 44,132,006.99 and 20,994,722.51 is: 28,975,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,976,116.07 : 44,132,006.99 = 20,994,722.51 : x
  2. Step 2: Convert to fraction form
    31,976,116.07/44,132,006.99 = 20,994,722.51/x
  3. Step 3: Cross multiply
    31,976,116.07x = 44,132,006.99 × 20,994,722.51
  4. Step 4: Simplify right side
    31,976,116.07x = 926,539,240,396,257.12
  5. Step 5: Solve for x
    x = 926,539,240,396,257.12/31,976,116.07
  6. Step 6: Final answer
    x = 28,975,978.15

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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.