Home / 7,279,869.72-10,919,803.32-2,487,600.12

Finding the Fourth Proportional to 7,279,869.72, 10,919,803.32 and 2,487,600.12

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Solution

The fourth proportional to 7,279,869.72, 10,919,803.32 and 2,487,600.12 is: 3,731,399.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,869.72 : 10,919,803.32 = 2,487,600.12 : x
  2. Step 2: Convert to fraction form
    7,279,869.72/10,919,803.32 = 2,487,600.12/x
  3. Step 3: Cross multiply
    7,279,869.72x = 10,919,803.32 × 2,487,600.12
  4. Step 4: Simplify right side
    7,279,869.72x = 27,164,104,049,208.40
  5. Step 5: Solve for x
    x = 27,164,104,049,208.40/7,279,869.72
  6. Step 6: Final answer
    x = 3,731,399.75

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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.