Home / 13,037,218.96-17,989,902.90-7,236,245.20

Finding the Fourth Proportional to 13,037,218.96, 17,989,902.90 and 7,236,245.20

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Solution

The fourth proportional to 13,037,218.96, 17,989,902.90 and 7,236,245.20 is: 9,985,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,218.96 : 17,989,902.90 = 7,236,245.20 : x
  2. Step 2: Convert to fraction form
    13,037,218.96/17,989,902.90 = 7,236,245.20/x
  3. Step 3: Cross multiply
    13,037,218.96x = 17,989,902.90 × 7,236,245.20
  4. Step 4: Simplify right side
    13,037,218.96x = 130,179,348,508,591.08
  5. Step 5: Solve for x
    x = 130,179,348,508,591.08/13,037,218.96
  6. Step 6: Final answer
    x = 9,985,208.42

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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.