Home / 15,065,795.02-20,789,914.26-8,190,216.94

Finding the Fourth Proportional to 15,065,795.02, 20,789,914.26 and 8,190,216.94

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Solution

The fourth proportional to 15,065,795.02, 20,789,914.26 and 8,190,216.94 is: 11,302,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065,795.02 : 20,789,914.26 = 8,190,216.94 : x
  2. Step 2: Convert to fraction form
    15,065,795.02/20,789,914.26 = 8,190,216.94/x
  3. Step 3: Cross multiply
    15,065,795.02x = 20,789,914.26 × 8,190,216.94
  4. Step 4: Simplify right side
    15,065,795.02x = 170,273,907,953,399.59
  5. Step 5: Solve for x
    x = 170,273,907,953,399.59/15,065,795.02
  6. Step 6: Final answer
    x = 11,302,019.42

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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.