Home / 18,549,730.01-27,811,142.84-12,469,380.67

Finding the Fourth Proportional to 18,549,730.01, 27,811,142.84 and 12,469,380.67

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Solution

The fourth proportional to 18,549,730.01, 27,811,142.84 and 12,469,380.67 is: 18,695,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549,730.01 : 27,811,142.84 = 12,469,380.67 : x
  2. Step 2: Convert to fraction form
    18,549,730.01/27,811,142.84 = 12,469,380.67/x
  3. Step 3: Cross multiply
    18,549,730.01x = 27,811,142.84 × 12,469,380.67
  4. Step 4: Simplify right side
    18,549,730.01x = 346,787,727,005,642.31
  5. Step 5: Solve for x
    x = 346,787,727,005,642.31/18,549,730.01
  6. Step 6: Final answer
    x = 18,695,028.27

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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.