Home / 18,792,067.80-28,188,101.70-6,012,989.40

Finding the Fourth Proportional to 18,792,067.80, 28,188,101.70 and 6,012,989.40

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Solution

The fourth proportional to 18,792,067.80, 28,188,101.70 and 6,012,989.40 is: 9,019,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,067.80 : 28,188,101.70 = 6,012,989.40 : x
  2. Step 2: Convert to fraction form
    18,792,067.80/28,188,101.70 = 6,012,989.40/x
  3. Step 3: Cross multiply
    18,792,067.80x = 28,188,101.70 × 6,012,989.40
  4. Step 4: Simplify right side
    18,792,067.80x = 169,494,756,728,222
  5. Step 5: Solve for x
    x = 169,494,756,728,222/18,792,067.80
  6. Step 6: Final answer
    x = 9,019,484.10

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1.5x scale

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.