Home / 15,792,067.20-21,793,202.88-9,265,807.68

Finding the Fourth Proportional to 15,792,067.20, 21,793,202.88 and 9,265,807.68

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Solution

The fourth proportional to 15,792,067.20, 21,793,202.88 and 9,265,807.68 is: 12,786,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792,067.20 : 21,793,202.88 = 9,265,807.68 : x
  2. Step 2: Convert to fraction form
    15,792,067.20/21,793,202.88 = 9,265,807.68/x
  3. Step 3: Cross multiply
    15,792,067.20x = 21,793,202.88 × 9,265,807.68
  4. Step 4: Simplify right side
    15,792,067.20x = 201,931,626,617,302.09
  5. Step 5: Solve for x
    x = 201,931,626,617,302.09/15,792,067.20
  6. Step 6: Final answer
    x = 12,786,902.69

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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.