Home / 21,056,400.74-29,057,297.51-11,764,040.54

Finding the Fourth Proportional to 21,056,400.74, 29,057,297.51 and 11,764,040.54

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Solution

The fourth proportional to 21,056,400.74, 29,057,297.51 and 11,764,040.54 is: 16,234,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056,400.74 : 29,057,297.51 = 11,764,040.54 : x
  2. Step 2: Convert to fraction form
    21,056,400.74/29,057,297.51 = 11,764,040.54/x
  3. Step 3: Cross multiply
    21,056,400.74x = 29,057,297.51 × 11,764,040.54
  4. Step 4: Simplify right side
    21,056,400.74x = 341,831,225,686,374.38
  5. Step 5: Solve for x
    x = 341,831,225,686,374.38/21,056,400.74
  6. Step 6: Final answer
    x = 16,234,076.75

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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.