Home / 18,144,419.80-27,216,629.70-9,074,493.40

Finding the Fourth Proportional to 18,144,419.80, 27,216,629.70 and 9,074,493.40

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Solution

The fourth proportional to 18,144,419.80, 27,216,629.70 and 9,074,493.40 is: 13,611,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,419.80 : 27,216,629.70 = 9,074,493.40 : x
  2. Step 2: Convert to fraction form
    18,144,419.80/27,216,629.70 = 9,074,493.40/x
  3. Step 3: Cross multiply
    18,144,419.80x = 27,216,629.70 × 9,074,493.40
  4. Step 4: Simplify right side
    18,144,419.80x = 246,977,126,582,893.97
  5. Step 5: Solve for x
    x = 246,977,126,582,893.97/18,144,419.80
  6. Step 6: Final answer
    x = 13,611,740.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.