Home / 13,790,866.20-20,686,299.30-12,302,831.40

Finding the Fourth Proportional to 13,790,866.20, 20,686,299.30 and 12,302,831.40

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Solution

The fourth proportional to 13,790,866.20, 20,686,299.30 and 12,302,831.40 is: 18,454,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790,866.20 : 20,686,299.30 = 12,302,831.40 : x
  2. Step 2: Convert to fraction form
    13,790,866.20/20,686,299.30 = 12,302,831.40/x
  3. Step 3: Cross multiply
    13,790,866.20x = 20,686,299.30 × 12,302,831.40
  4. Step 4: Simplify right side
    13,790,866.20x = 254,500,052,577,838.03
  5. Step 5: Solve for x
    x = 254,500,052,577,838.03/13,790,866.20
  6. Step 6: Final answer
    x = 18,454,247.10

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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.