Home / 13,921,435.53-19,211,292.03-7,726,122.42

Finding the Fourth Proportional to 13,921,435.53, 19,211,292.03 and 7,726,122.42

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Solution

The fourth proportional to 13,921,435.53, 19,211,292.03 and 7,726,122.42 is: 10,661,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,435.53 : 19,211,292.03 = 7,726,122.42 : x
  2. Step 2: Convert to fraction form
    13,921,435.53/19,211,292.03 = 7,726,122.42/x
  3. Step 3: Cross multiply
    13,921,435.53x = 19,211,292.03 × 7,726,122.42
  4. Step 4: Simplify right side
    13,921,435.53x = 148,428,794,070,150.31
  5. Step 5: Solve for x
    x = 148,428,794,070,150.31/13,921,435.53
  6. Step 6: Final answer
    x = 10,661,888.55

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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.