Home / 8,399,180.40-12,589,439.40-4,615,378.80

Finding the Fourth Proportional to 8,399,180.40, 12,589,439.40 and 4,615,378.80

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Solution

The fourth proportional to 8,399,180.40, 12,589,439.40 and 4,615,378.80 is: 6,917,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,180.40 : 12,589,439.40 = 4,615,378.80 : x
  2. Step 2: Convert to fraction form
    8,399,180.40/12,589,439.40 = 4,615,378.80/x
  3. Step 3: Cross multiply
    8,399,180.40x = 12,589,439.40 × 4,615,378.80
  4. Step 4: Simplify right side
    8,399,180.40x = 58,105,031,710,644.72
  5. Step 5: Solve for x
    x = 58,105,031,710,644.72/8,399,180.40
  6. Step 6: Final answer
    x = 6,917,940.67

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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.