Home / 13,666,635.34-20,507,519.69-8,188,267.50

Finding the Fourth Proportional to 13,666,635.34, 20,507,519.69 and 8,188,267.50

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Solution

The fourth proportional to 13,666,635.34, 20,507,519.69 and 8,188,267.50 is: 12,286,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,635.34 : 20,507,519.69 = 8,188,267.50 : x
  2. Step 2: Convert to fraction form
    13,666,635.34/20,507,519.69 = 8,188,267.50/x
  3. Step 3: Cross multiply
    13,666,635.34x = 20,507,519.69 × 8,188,267.50
  4. Step 4: Simplify right side
    13,666,635.34x = 167,921,056,949,862.44
  5. Step 5: Solve for x
    x = 167,921,056,949,862.44/13,666,635.34
  6. Step 6: Final answer
    x = 12,286,934.77

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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.