Home / 28,084,081.95-38,756,085.77-15,694,175.45

Finding the Fourth Proportional to 28,084,081.95, 38,756,085.77 and 15,694,175.45

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Solution

The fourth proportional to 28,084,081.95, 38,756,085.77 and 15,694,175.45 is: 21,657,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,081.95 : 38,756,085.77 = 15,694,175.45 : x
  2. Step 2: Convert to fraction form
    28,084,081.95/38,756,085.77 = 15,694,175.45/x
  3. Step 3: Cross multiply
    28,084,081.95x = 38,756,085.77 × 15,694,175.45
  4. Step 4: Simplify right side
    28,084,081.95x = 608,244,809,965,754
  5. Step 5: Solve for x
    x = 608,244,809,965,754/28,084,081.95
  6. Step 6: Final answer
    x = 21,657,991.56

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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.