Home / 18,792,064.80-28,188,097.20-6,012,986.40

Finding the Fourth Proportional to 18,792,064.80, 28,188,097.20 and 6,012,986.40

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Solution

The fourth proportional to 18,792,064.80, 28,188,097.20 and 6,012,986.40 is: 9,019,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,064.80 : 28,188,097.20 = 6,012,986.40 : x
  2. Step 2: Convert to fraction form
    18,792,064.80/28,188,097.20 = 6,012,986.40/x
  3. Step 3: Cross multiply
    18,792,064.80x = 28,188,097.20 × 6,012,986.40
  4. Step 4: Simplify right side
    18,792,064.80x = 169,494,645,105,478.09
  5. Step 5: Solve for x
    x = 169,494,645,105,478.09/18,792,064.80
  6. Step 6: Final answer
    x = 9,019,479.60

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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.