Home / 21,344,558.68-29,455,500.89-11,555,002.86

Finding the Fourth Proportional to 21,344,558.68, 29,455,500.89 and 11,555,002.86

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Solution

The fourth proportional to 21,344,558.68, 29,455,500.89 and 11,555,002.86 is: 15,945,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,558.68 : 29,455,500.89 = 11,555,002.86 : x
  2. Step 2: Convert to fraction form
    21,344,558.68/29,455,500.89 = 11,555,002.86/x
  3. Step 3: Cross multiply
    21,344,558.68x = 29,455,500.89 × 11,555,002.86
  4. Step 4: Simplify right side
    21,344,558.68x = 340,358,396,945,111.88
  5. Step 5: Solve for x
    x = 340,358,396,945,111.88/21,344,558.68
  6. Step 6: Final answer
    x = 15,945,909.31

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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.