Home / 12,743,004.64-17,585,338.80-7,019,868.64

Finding the Fourth Proportional to 12,743,004.64, 17,585,338.80 and 7,019,868.64

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Solution

The fourth proportional to 12,743,004.64, 17,585,338.80 and 7,019,868.64 is: 9,687,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743,004.64 : 17,585,338.80 = 7,019,868.64 : x
  2. Step 2: Convert to fraction form
    12,743,004.64/17,585,338.80 = 7,019,868.64/x
  3. Step 3: Cross multiply
    12,743,004.64x = 17,585,338.80 × 7,019,868.64
  4. Step 4: Simplify right side
    12,743,004.64x = 123,446,768,365,895.23
  5. Step 5: Solve for x
    x = 123,446,768,365,895.23/12,743,004.64
  6. Step 6: Final answer
    x = 9,687,414.53

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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.