Home / 8,378,040.40-12,558,766.20-4,114,718.80

Finding the Fourth Proportional to 8,378,040.40, 12,558,766.20 and 4,114,718.80

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Solution

The fourth proportional to 8,378,040.40, 12,558,766.20 and 4,114,718.80 is: 6,168,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,040.40 : 12,558,766.20 = 4,114,718.80 : x
  2. Step 2: Convert to fraction form
    8,378,040.40/12,558,766.20 = 4,114,718.80/x
  3. Step 3: Cross multiply
    8,378,040.40x = 12,558,766.20 × 4,114,718.80
  4. Step 4: Simplify right side
    8,378,040.40x = 51,675,791,387,944.55
  5. Step 5: Solve for x
    x = 51,675,791,387,944.55/8,378,040.40
  6. Step 6: Final answer
    x = 6,168,004.56

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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.