Home / 8,900,221.14-13,417,039.76-8,306,995.86

Finding the Fourth Proportional to 8,900,221.14, 13,417,039.76 and 8,306,995.86

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Solution

The fourth proportional to 8,900,221.14, 13,417,039.76 and 8,306,995.86 is: 12,522,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900,221.14 : 13,417,039.76 = 8,306,995.86 : x
  2. Step 2: Convert to fraction form
    8,900,221.14/13,417,039.76 = 8,306,995.86/x
  3. Step 3: Cross multiply
    8,900,221.14x = 13,417,039.76 × 8,306,995.86
  4. Step 4: Simplify right side
    8,900,221.14x = 111,455,293,698,240.42
  5. Step 5: Solve for x
    x = 111,455,293,698,240.42/8,900,221.14
  6. Step 6: Final answer
    x = 12,522,755.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.