Home / 12,563,147.87-18,846,031.71-3,465,246.98

Finding the Fourth Proportional to 12,563,147.87, 18,846,031.71 and 3,465,246.98

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Solution

The fourth proportional to 12,563,147.87, 18,846,031.71 and 3,465,246.98 is: 5,198,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,147.87 : 18,846,031.71 = 3,465,246.98 : x
  2. Step 2: Convert to fraction form
    12,563,147.87/18,846,031.71 = 3,465,246.98/x
  3. Step 3: Cross multiply
    12,563,147.87x = 18,846,031.71 × 3,465,246.98
  4. Step 4: Simplify right side
    12,563,147.87x = 65,306,154,373,831.59
  5. Step 5: Solve for x
    x = 65,306,154,373,831.59/12,563,147.87
  6. Step 6: Final answer
    x = 5,198,231.77

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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.