Home / 13,328,288.80-19,992,433.20-8,289,440.80

Finding the Fourth Proportional to 13,328,288.80, 19,992,433.20 and 8,289,440.80

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Solution

The fourth proportional to 13,328,288.80, 19,992,433.20 and 8,289,440.80 is: 12,434,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328,288.80 : 19,992,433.20 = 8,289,440.80 : x
  2. Step 2: Convert to fraction form
    13,328,288.80/19,992,433.20 = 8,289,440.80/x
  3. Step 3: Cross multiply
    13,328,288.80x = 19,992,433.20 × 8,289,440.80
  4. Step 4: Simplify right side
    13,328,288.80x = 165,726,091,459,354.56
  5. Step 5: Solve for x
    x = 165,726,091,459,354.56/13,328,288.80
  6. Step 6: Final answer
    x = 12,434,161.20

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1.5x scale

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.