Home / 42,496,618.42-63,757,936.97-21,761,737.60

Finding the Fourth Proportional to 42,496,618.42, 63,757,936.97 and 21,761,737.60

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Solution

The fourth proportional to 42,496,618.42, 63,757,936.97 and 21,761,737.60 is: 32,649,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,496,618.42 : 63,757,936.97 = 21,761,737.60 : x
  2. Step 2: Convert to fraction form
    42,496,618.42/63,757,936.97 = 21,761,737.60/x
  3. Step 3: Cross multiply
    42,496,618.42x = 63,757,936.97 × 21,761,737.60
  4. Step 4: Simplify right side
    42,496,618.42x = 1,387,483,494,258,479.25
  5. Step 5: Solve for x
    x = 1,387,483,494,258,479.25/42,496,618.42
  6. Step 6: Final answer
    x = 32,649,268.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.