Home / 8,280,939.80-12,421,409.70-2,601,738.20

Finding the Fourth Proportional to 8,280,939.80, 12,421,409.70 and 2,601,738.20

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Solution

The fourth proportional to 8,280,939.80, 12,421,409.70 and 2,601,738.20 is: 3,902,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,939.80 : 12,421,409.70 = 2,601,738.20 : x
  2. Step 2: Convert to fraction form
    8,280,939.80/12,421,409.70 = 2,601,738.20/x
  3. Step 3: Cross multiply
    8,280,939.80x = 12,421,409.70 × 2,601,738.20
  4. Step 4: Simplify right side
    8,280,939.80x = 32,317,256,114,340.54
  5. Step 5: Solve for x
    x = 32,317,256,114,340.54/8,280,939.80
  6. Step 6: Final answer
    x = 3,902,607.30

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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.