Home / 8,440,654.80-12,660,982.20-8,072,072.40

Finding the Fourth Proportional to 8,440,654.80, 12,660,982.20 and 8,072,072.40

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Solution

The fourth proportional to 8,440,654.80, 12,660,982.20 and 8,072,072.40 is: 12,108,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440,654.80 : 12,660,982.20 = 8,072,072.40 : x
  2. Step 2: Convert to fraction form
    8,440,654.80/12,660,982.20 = 8,072,072.40/x
  3. Step 3: Cross multiply
    8,440,654.80x = 12,660,982.20 × 8,072,072.40
  4. Step 4: Simplify right side
    8,440,654.80x = 102,200,364,973,511.28
  5. Step 5: Solve for x
    x = 102,200,364,973,511.28/8,440,654.80
  6. Step 6: Final answer
    x = 12,108,108.60

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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.