Home / 20,727,958.08-28,604,579.04-11,560,404

Finding the Fourth Proportional to 20,727,958.08, 28,604,579.04 and 11,560,404

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Solution

The fourth proportional to 20,727,958.08, 28,604,579.04 and 11,560,404 is: 15,953,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,958.08 : 28,604,579.04 = 11,560,404 : x
  2. Step 2: Convert to fraction form
    20,727,958.08/28,604,579.04 = 11,560,404/x
  3. Step 3: Cross multiply
    20,727,958.08x = 28,604,579.04 × 11,560,404
  4. Step 4: Simplify right side
    20,727,958.08x = 330,680,489,952,332.12
  5. Step 5: Solve for x
    x = 330,680,489,952,332.12/20,727,958.08
  6. Step 6: Final answer
    x = 15,953,355.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.