Home / 14,305,246.20-21,457,869.30-8,258,628.60

Finding the Fourth Proportional to 14,305,246.20, 21,457,869.30 and 8,258,628.60

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Solution

The fourth proportional to 14,305,246.20, 21,457,869.30 and 8,258,628.60 is: 12,387,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305,246.20 : 21,457,869.30 = 8,258,628.60 : x
  2. Step 2: Convert to fraction form
    14,305,246.20/21,457,869.30 = 8,258,628.60/x
  3. Step 3: Cross multiply
    14,305,246.20x = 21,457,869.30 × 8,258,628.60
  4. Step 4: Simplify right side
    14,305,246.20x = 177,212,573,096,041.97
  5. Step 5: Solve for x
    x = 177,212,573,096,041.97/14,305,246.20
  6. Step 6: Final answer
    x = 12,387,942.90

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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.