Home / 38,761,846.95-53,493,731.61-21,358,187.64

Finding the Fourth Proportional to 38,761,846.95, 53,493,731.61 and 21,358,187.64

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Solution

The fourth proportional to 38,761,846.95, 53,493,731.61 and 21,358,187.64 is: 29,475,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761,846.95 : 53,493,731.61 = 21,358,187.64 : x
  2. Step 2: Convert to fraction form
    38,761,846.95/53,493,731.61 = 21,358,187.64/x
  3. Step 3: Cross multiply
    38,761,846.95x = 53,493,731.61 × 21,358,187.64
  4. Step 4: Simplify right side
    38,761,846.95x = 1,142,529,157,290,179.25
  5. Step 5: Solve for x
    x = 1,142,529,157,290,179.25/38,761,846.95
  6. Step 6: Final answer
    x = 29,475,611.90

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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.