Home / 8,150,271.20-12,217,630.80-3,031,330.40

Finding the Fourth Proportional to 8,150,271.20, 12,217,630.80 and 3,031,330.40

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Solution

The fourth proportional to 8,150,271.20, 12,217,630.80 and 3,031,330.40 is: 4,544,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150,271.20 : 12,217,630.80 = 3,031,330.40 : x
  2. Step 2: Convert to fraction form
    8,150,271.20/12,217,630.80 = 3,031,330.40/x
  3. Step 3: Cross multiply
    8,150,271.20x = 12,217,630.80 × 3,031,330.40
  4. Step 4: Simplify right side
    8,150,271.20x = 37,035,675,660,016.32
  5. Step 5: Solve for x
    x = 37,035,675,660,016.32/8,150,271.20
  6. Step 6: Final answer
    x = 4,544,103.47

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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.