Home / 51,579,905.44-71,178,020.88-28,373,560.48

Finding the Fourth Proportional to 51,579,905.44, 71,178,020.88 and 28,373,560.48

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Solution

The fourth proportional to 51,579,905.44, 71,178,020.88 and 28,373,560.48 is: 39,154,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,579,905.44 : 71,178,020.88 = 28,373,560.48 : x
  2. Step 2: Convert to fraction form
    51,579,905.44/71,178,020.88 = 28,373,560.48/x
  3. Step 3: Cross multiply
    51,579,905.44x = 71,178,020.88 × 28,373,560.48
  4. Step 4: Simplify right side
    51,579,905.44x = 2,019,573,880,285,382.75
  5. Step 5: Solve for x
    x = 2,019,573,880,285,382.75/51,579,905.44
  6. Step 6: Final answer
    x = 39,154,276.52

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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.