Home / 12,831,649.47-17,706,999.47-7,324,805.34

Finding the Fourth Proportional to 12,831,649.47, 17,706,999.47 and 7,324,805.34

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Solution

The fourth proportional to 12,831,649.47, 17,706,999.47 and 7,324,805.34 is: 10,107,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,649.47 : 17,706,999.47 = 7,324,805.34 : x
  2. Step 2: Convert to fraction form
    12,831,649.47/17,706,999.47 = 7,324,805.34/x
  3. Step 3: Cross multiply
    12,831,649.47x = 17,706,999.47 × 7,324,805.34
  4. Step 4: Simplify right side
    12,831,649.47x = 129,700,324,236,609.14
  5. Step 5: Solve for x
    x = 129,700,324,236,609.14/12,831,649.47
  6. Step 6: Final answer
    x = 10,107,845.02

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1.5x scale

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.