Home / 28,084,095.31-38,756,104.04-15,694,188.74

Finding the Fourth Proportional to 28,084,095.31, 38,756,104.04 and 15,694,188.74

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Solution

The fourth proportional to 28,084,095.31, 38,756,104.04 and 15,694,188.74 is: 21,658,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,095.31 : 38,756,104.04 = 15,694,188.74 : x
  2. Step 2: Convert to fraction form
    28,084,095.31/38,756,104.04 = 15,694,188.74/x
  3. Step 3: Cross multiply
    28,084,095.31x = 38,756,104.04 × 15,694,188.74
  4. Step 4: Simplify right side
    28,084,095.31x = 608,245,611,751,350.12
  5. Step 5: Solve for x
    x = 608,245,611,751,350.12/28,084,095.31
  6. Step 6: Final answer
    x = 21,658,009.81

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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.