Home / 51,509,939.20-77,264,908.80-15,603,481.60

Finding the Fourth Proportional to 51,509,939.20, 77,264,908.80 and 15,603,481.60

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Solution

The fourth proportional to 51,509,939.20, 77,264,908.80 and 15,603,481.60 is: 23,405,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,509,939.20 : 77,264,908.80 = 15,603,481.60 : x
  2. Step 2: Convert to fraction form
    51,509,939.20/77,264,908.80 = 15,603,481.60/x
  3. Step 3: Cross multiply
    51,509,939.20x = 77,264,908.80 × 15,603,481.60
  4. Step 4: Simplify right side
    51,509,939.20x = 1,205,601,582,786,478
  5. Step 5: Solve for x
    x = 1,205,601,582,786,478/51,509,939.20
  6. Step 6: Final answer
    x = 23,405,222.40

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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.