Home / 15,831,585.78-21,847,630.47-8,588,241.78

Finding the Fourth Proportional to 15,831,585.78, 21,847,630.47 and 8,588,241.78

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Solution

The fourth proportional to 15,831,585.78, 21,847,630.47 and 8,588,241.78 is: 11,851,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831,585.78 : 21,847,630.47 = 8,588,241.78 : x
  2. Step 2: Convert to fraction form
    15,831,585.78/21,847,630.47 = 8,588,241.78/x
  3. Step 3: Cross multiply
    15,831,585.78x = 21,847,630.47 × 8,588,241.78
  4. Step 4: Simplify right side
    15,831,585.78x = 187,632,732,796,455
  5. Step 5: Solve for x
    x = 187,632,732,796,455/15,831,585.78
  6. Step 6: Final answer
    x = 11,851,796.49

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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.