Home / 13,493,963-20,240,963.94-5,515,787

Finding the Fourth Proportional to 13,493,963, 20,240,963.94 and 5,515,787

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Solution

The fourth proportional to 13,493,963, 20,240,963.94 and 5,515,787 is: 8,273,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,963 : 20,240,963.94 = 5,515,787 : x
  2. Step 2: Convert to fraction form
    13,493,963/20,240,963.94 = 5,515,787/x
  3. Step 3: Cross multiply
    13,493,963x = 20,240,963.94 × 5,515,787
  4. Step 4: Simplify right side
    13,493,963x = 111,644,845,767,720.78
  5. Step 5: Solve for x
    x = 111,644,845,767,720.78/13,493,963
  6. Step 6: Final answer
    x = 8,273,688.45

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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.