Home / 38,761,851.45-53,493,737.82-21,358,192.14

Finding the Fourth Proportional to 38,761,851.45, 53,493,737.82 and 21,358,192.14

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Solution

The fourth proportional to 38,761,851.45, 53,493,737.82 and 21,358,192.14 is: 29,475,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761,851.45 : 53,493,737.82 = 21,358,192.14 : x
  2. Step 2: Convert to fraction form
    38,761,851.45/53,493,737.82 = 21,358,192.14/x
  3. Step 3: Cross multiply
    38,761,851.45x = 53,493,737.82 × 21,358,192.14
  4. Step 4: Simplify right side
    38,761,851.45x = 1,142,529,530,646,344.75
  5. Step 5: Solve for x
    x = 1,142,529,530,646,344.75/38,761,851.45
  6. Step 6: Final answer
    x = 29,475,618.11

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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.