Home / 28,084,099.72-38,756,110.32-15,694,193.24

Finding the Fourth Proportional to 28,084,099.72, 38,756,110.32 and 15,694,193.24

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Solution

The fourth proportional to 28,084,099.72, 38,756,110.32 and 15,694,193.24 is: 21,658,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,099.72 : 38,756,110.32 = 15,694,193.24 : x
  2. Step 2: Convert to fraction form
    28,084,099.72/38,756,110.32 = 15,694,193.24/x
  3. Step 3: Cross multiply
    28,084,099.72x = 38,756,110.32 × 15,694,193.24
  4. Step 4: Simplify right side
    28,084,099.72x = 608,245,884,592,838.25
  5. Step 5: Solve for x
    x = 608,245,884,592,838.25/28,084,099.72
  6. Step 6: Final answer
    x = 21,658,016.13

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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.