Home / 8,241,409.80-12,362,114.70-7,328,118.60

Finding the Fourth Proportional to 8,241,409.80, 12,362,114.70 and 7,328,118.60

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Solution

The fourth proportional to 8,241,409.80, 12,362,114.70 and 7,328,118.60 is: 10,992,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241,409.80 : 12,362,114.70 = 7,328,118.60 : x
  2. Step 2: Convert to fraction form
    8,241,409.80/12,362,114.70 = 7,328,118.60/x
  3. Step 3: Cross multiply
    8,241,409.80x = 12,362,114.70 × 7,328,118.60
  4. Step 4: Simplify right side
    8,241,409.80x = 90,591,042,668,403.41
  5. Step 5: Solve for x
    x = 90,591,042,668,403.41/8,241,409.80
  6. Step 6: Final answer
    x = 10,992,177.90

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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.