Home / 8,179,621.40-12,269,432.10-4,400,485.40

Finding the Fourth Proportional to 8,179,621.40, 12,269,432.10 and 4,400,485.40

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Solution

The fourth proportional to 8,179,621.40, 12,269,432.10 and 4,400,485.40 is: 6,600,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,621.40 : 12,269,432.10 = 4,400,485.40 : x
  2. Step 2: Convert to fraction form
    8,179,621.40/12,269,432.10 = 4,400,485.40/x
  3. Step 3: Cross multiply
    8,179,621.40x = 12,269,432.10 × 4,400,485.40
  4. Step 4: Simplify right side
    8,179,621.40x = 53,991,456,822,341.34
  5. Step 5: Solve for x
    x = 53,991,456,822,341.34/8,179,621.40
  6. Step 6: Final answer
    x = 6,600,728.10

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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.