Home / 11,354,688-15,665,361.12-8,741,986.56

Finding the Fourth Proportional to 11,354,688, 15,665,361.12 and 8,741,986.56

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Solution

The fourth proportional to 11,354,688, 15,665,361.12 and 8,741,986.56 is: 12,060,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354,688 : 15,665,361.12 = 8,741,986.56 : x
  2. Step 2: Convert to fraction form
    11,354,688/15,665,361.12 = 8,741,986.56/x
  3. Step 3: Cross multiply
    11,354,688x = 15,665,361.12 × 8,741,986.56
  4. Step 4: Simplify right side
    11,354,688x = 136,946,376,368,586.55
  5. Step 5: Solve for x
    x = 136,946,376,368,586.55/11,354,688
  6. Step 6: Final answer
    x = 12,060,778.45

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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.