Home / 8,664,707.70-13,025,055.15-7,992,861.30

Finding the Fourth Proportional to 8,664,707.70, 13,025,055.15 and 7,992,861.30

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Solution

The fourth proportional to 8,664,707.70, 13,025,055.15 and 7,992,861.30 is: 12,015,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664,707.70 : 13,025,055.15 = 7,992,861.30 : x
  2. Step 2: Convert to fraction form
    8,664,707.70/13,025,055.15 = 7,992,861.30/x
  3. Step 3: Cross multiply
    8,664,707.70x = 13,025,055.15 × 7,992,861.30
  4. Step 4: Simplify right side
    8,664,707.70x = 104,107,459,238,800.70
  5. Step 5: Solve for x
    x = 104,107,459,238,800.70/8,664,707.70
  6. Step 6: Final answer
    x = 12,015,114.97

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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.