Home / 7,179,638.60-10,769,457.90-4,345,286.60

Finding the Fourth Proportional to 7,179,638.60, 10,769,457.90 and 4,345,286.60

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Solution

The fourth proportional to 7,179,638.60, 10,769,457.90 and 4,345,286.60 is: 6,517,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,638.60 : 10,769,457.90 = 4,345,286.60 : x
  2. Step 2: Convert to fraction form
    7,179,638.60/10,769,457.90 = 4,345,286.60/x
  3. Step 3: Cross multiply
    7,179,638.60x = 10,769,457.90 × 4,345,286.60
  4. Step 4: Simplify right side
    7,179,638.60x = 46,796,381,102,134.14
  5. Step 5: Solve for x
    x = 46,796,381,102,134.14/7,179,638.60
  6. Step 6: Final answer
    x = 6,517,929.90

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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.