Home / 15,237,184.72-21,027,921.96-8,361,913.36

Finding the Fourth Proportional to 15,237,184.72, 21,027,921.96 and 8,361,913.36

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Solution

The fourth proportional to 15,237,184.72, 21,027,921.96 and 8,361,913.36 is: 11,539,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,184.72 : 21,027,921.96 = 8,361,913.36 : x
  2. Step 2: Convert to fraction form
    15,237,184.72/21,027,921.96 = 8,361,913.36/x
  3. Step 3: Cross multiply
    15,237,184.72x = 21,027,921.96 × 8,361,913.36
  4. Step 4: Simplify right side
    15,237,184.72x = 175,833,661,570,361.41
  5. Step 5: Solve for x
    x = 175,833,661,570,361.41/15,237,184.72
  6. Step 6: Final answer
    x = 11,539,773.57

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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.