Home / 8,092,960.20-12,139,440.30-7,431,611.40

Finding the Fourth Proportional to 8,092,960.20, 12,139,440.30 and 7,431,611.40

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Solution

The fourth proportional to 8,092,960.20, 12,139,440.30 and 7,431,611.40 is: 11,147,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092,960.20 : 12,139,440.30 = 7,431,611.40 : x
  2. Step 2: Convert to fraction form
    8,092,960.20/12,139,440.30 = 7,431,611.40/x
  3. Step 3: Cross multiply
    8,092,960.20x = 12,139,440.30 × 7,431,611.40
  4. Step 4: Simplify right side
    8,092,960.20x = 90,215,602,923,099.44
  5. Step 5: Solve for x
    x = 90,215,602,923,099.44/8,092,960.20
  6. Step 6: Final answer
    x = 11,147,417.10

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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.