Home / 51,531,813.78-71,114,786.37-28,327,918.74

Finding the Fourth Proportional to 51,531,813.78, 71,114,786.37 and 28,327,918.74

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Solution

The fourth proportional to 51,531,813.78, 71,114,786.37 and 28,327,918.74 is: 39,093,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,531,813.78 : 71,114,786.37 = 28,327,918.74 : x
  2. Step 2: Convert to fraction form
    51,531,813.78/71,114,786.37 = 28,327,918.74/x
  3. Step 3: Cross multiply
    51,531,813.78x = 71,114,786.37 × 28,327,918.74
  4. Step 4: Simplify right side
    51,531,813.78x = 2,014,533,889,501,819.50
  5. Step 5: Solve for x
    x = 2,014,533,889,501,819.50/51,531,813.78
  6. Step 6: Final answer
    x = 39,093,013.46

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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.