Home / 15,831,586.78-21,847,631.85-8,588,242.78

Finding the Fourth Proportional to 15,831,586.78, 21,847,631.85 and 8,588,242.78

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Solution

The fourth proportional to 15,831,586.78, 21,847,631.85 and 8,588,242.78 is: 11,851,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831,586.78 : 21,847,631.85 = 8,588,242.78 : x
  2. Step 2: Convert to fraction form
    15,831,586.78/21,847,631.85 = 8,588,242.78/x
  3. Step 3: Cross multiply
    15,831,586.78x = 21,847,631.85 × 8,588,242.78
  4. Step 4: Simplify right side
    15,831,586.78x = 187,632,766,495,860.53
  5. Step 5: Solve for x
    x = 187,632,766,495,860.53/15,831,586.78
  6. Step 6: Final answer
    x = 11,851,797.87

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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.