Home / 9,792,990.40-14,689,485.60-4,119,620.80

Finding the Fourth Proportional to 9,792,990.40, 14,689,485.60 and 4,119,620.80

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Solution

The fourth proportional to 9,792,990.40, 14,689,485.60 and 4,119,620.80 is: 6,179,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792,990.40 : 14,689,485.60 = 4,119,620.80 : x
  2. Step 2: Convert to fraction form
    9,792,990.40/14,689,485.60 = 4,119,620.80/x
  3. Step 3: Cross multiply
    9,792,990.40x = 14,689,485.60 × 4,119,620.80
  4. Step 4: Simplify right side
    9,792,990.40x = 60,515,110,419,060.48
  5. Step 5: Solve for x
    x = 60,515,110,419,060.48/9,792,990.40
  6. Step 6: Final answer
    x = 6,179,431.20

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Similar ratio
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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.