Home / 10,179,138.72-14,047,311.26-5,532,920.88

Finding the Fourth Proportional to 10,179,138.72, 14,047,311.26 and 5,532,920.88

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Solution

The fourth proportional to 10,179,138.72, 14,047,311.26 and 5,532,920.88 is: 7,635,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179,138.72 : 14,047,311.26 = 5,532,920.88 : x
  2. Step 2: Convert to fraction form
    10,179,138.72/14,047,311.26 = 5,532,920.88/x
  3. Step 3: Cross multiply
    10,179,138.72x = 14,047,311.26 × 5,532,920.88
  4. Step 4: Simplify right side
    10,179,138.72x = 77,722,661,750,648.50
  5. Step 5: Solve for x
    x = 77,722,661,750,648.50/10,179,138.72
  6. Step 6: Final answer
    x = 7,635,485.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.