Home / 21,549,917.40-29,738,878.15-11,760,361.61

Finding the Fourth Proportional to 21,549,917.40, 29,738,878.15 and 11,760,361.61

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Solution

The fourth proportional to 21,549,917.40, 29,738,878.15 and 11,760,361.61 is: 16,229,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549,917.40 : 29,738,878.15 = 11,760,361.61 : x
  2. Step 2: Convert to fraction form
    21,549,917.40/29,738,878.15 = 11,760,361.61/x
  3. Step 3: Cross multiply
    21,549,917.40x = 29,738,878.15 × 11,760,361.61
  4. Step 4: Simplify right side
    21,549,917.40x = 349,739,960,763,683.19
  5. Step 5: Solve for x
    x = 349,739,960,763,683.19/21,549,917.40
  6. Step 6: Final answer
    x = 16,229,294.73

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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.