Home / 7,255,999.31-10,885,573.61-2,207,178.59

Finding the Fourth Proportional to 7,255,999.31, 10,885,573.61 and 2,207,178.59

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Solution

The fourth proportional to 7,255,999.31, 10,885,573.61 and 2,207,178.59 is: 3,311,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,999.31 : 10,885,573.61 = 2,207,178.59 : x
  2. Step 2: Convert to fraction form
    7,255,999.31/10,885,573.61 = 2,207,178.59/x
  3. Step 3: Cross multiply
    7,255,999.31x = 10,885,573.61 × 2,207,178.59
  4. Step 4: Simplify right side
    7,255,999.31x = 24,026,405,011,861.01
  5. Step 5: Solve for x
    x = 24,026,405,011,861.01/7,255,999.31
  6. Step 6: Final answer
    x = 3,311,246.87

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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.