Home / 8,271,747.80-12,407,621.70-6,145,983.80

Finding the Fourth Proportional to 8,271,747.80, 12,407,621.70 and 6,145,983.80

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Solution

The fourth proportional to 8,271,747.80, 12,407,621.70 and 6,145,983.80 is: 9,218,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,747.80 : 12,407,621.70 = 6,145,983.80 : x
  2. Step 2: Convert to fraction form
    8,271,747.80/12,407,621.70 = 6,145,983.80/x
  3. Step 3: Cross multiply
    8,271,747.80x = 12,407,621.70 × 6,145,983.80
  4. Step 4: Simplify right side
    8,271,747.80x = 76,257,041,964,728.45
  5. Step 5: Solve for x
    x = 76,257,041,964,728.45/8,271,747.80
  6. Step 6: Final answer
    x = 9,218,975.70

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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.