Home / 10,136,055.42-13,976,548.11-6,459,147.90

Finding the Fourth Proportional to 10,136,055.42, 13,976,548.11 and 6,459,147.90

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Solution

The fourth proportional to 10,136,055.42, 13,976,548.11 and 6,459,147.90 is: 8,906,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,055.42 : 13,976,548.11 = 6,459,147.90 : x
  2. Step 2: Convert to fraction form
    10,136,055.42/13,976,548.11 = 6,459,147.90/x
  3. Step 3: Cross multiply
    10,136,055.42x = 13,976,548.11 × 6,459,147.90
  4. Step 4: Simplify right side
    10,136,055.42x = 90,276,591,373,955.47
  5. Step 5: Solve for x
    x = 90,276,591,373,955.47/10,136,055.42
  6. Step 6: Final answer
    x = 8,906,481.63

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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.