Home / 19,360,078.40-29,040,117.60-9,282,382.40

Finding the Fourth Proportional to 19,360,078.40, 29,040,117.60 and 9,282,382.40

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Solution

The fourth proportional to 19,360,078.40, 29,040,117.60 and 9,282,382.40 is: 13,923,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,078.40 : 29,040,117.60 = 9,282,382.40 : x
  2. Step 2: Convert to fraction form
    19,360,078.40/29,040,117.60 = 9,282,382.40/x
  3. Step 3: Cross multiply
    19,360,078.40x = 29,040,117.60 × 9,282,382.40
  4. Step 4: Simplify right side
    19,360,078.40x = 269,561,476,504,170.25
  5. Step 5: Solve for x
    x = 269,561,476,504,170.25/19,360,078.40
  6. Step 6: Final answer
    x = 13,923,573.60

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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.