Home / 13,687,804.68-18,887,193.22-7,576,218.60

Finding the Fourth Proportional to 13,687,804.68, 18,887,193.22 and 7,576,218.60

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Solution

The fourth proportional to 13,687,804.68, 18,887,193.22 and 7,576,218.60 is: 10,454,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,804.68 : 18,887,193.22 = 7,576,218.60 : x
  2. Step 2: Convert to fraction form
    13,687,804.68/18,887,193.22 = 7,576,218.60/x
  3. Step 3: Cross multiply
    13,687,804.68x = 18,887,193.22 × 7,576,218.60
  4. Step 4: Simplify right side
    13,687,804.68x = 143,093,504,575,157.88
  5. Step 5: Solve for x
    x = 143,093,504,575,157.88/13,687,804.68
  6. Step 6: Final answer
    x = 10,454,087.26

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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.