Home / 8,870,492.60-13,305,738.90-2,138,906.60

Finding the Fourth Proportional to 8,870,492.60, 13,305,738.90 and 2,138,906.60

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Solution

The fourth proportional to 8,870,492.60, 13,305,738.90 and 2,138,906.60 is: 3,208,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,492.60 : 13,305,738.90 = 2,138,906.60 : x
  2. Step 2: Convert to fraction form
    8,870,492.60/13,305,738.90 = 2,138,906.60/x
  3. Step 3: Cross multiply
    8,870,492.60x = 13,305,738.90 × 2,138,906.60
  4. Step 4: Simplify right side
    8,870,492.60x = 28,459,732,751,086.74
  5. Step 5: Solve for x
    x = 28,459,732,751,086.74/8,870,492.60
  6. Step 6: Final answer
    x = 3,208,359.90

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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.