Home / 7,648,906.80-11,473,360.20-4,247,684.40

Finding the Fourth Proportional to 7,648,906.80, 11,473,360.20 and 4,247,684.40

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Solution

The fourth proportional to 7,648,906.80, 11,473,360.20 and 4,247,684.40 is: 6,371,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,906.80 : 11,473,360.20 = 4,247,684.40 : x
  2. Step 2: Convert to fraction form
    7,648,906.80/11,473,360.20 = 4,247,684.40/x
  3. Step 3: Cross multiply
    7,648,906.80x = 11,473,360.20 × 4,247,684.40
  4. Step 4: Simplify right side
    7,648,906.80x = 48,735,213,137,120.88
  5. Step 5: Solve for x
    x = 48,735,213,137,120.88/7,648,906.80
  6. Step 6: Final answer
    x = 6,371,526.60

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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.