Home / 13,320,342.58-18,382,072.48-7,208,771.02

Finding the Fourth Proportional to 13,320,342.58, 18,382,072.48 and 7,208,771.02

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Solution

The fourth proportional to 13,320,342.58, 18,382,072.48 and 7,208,771.02 is: 9,948,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,342.58 : 18,382,072.48 = 7,208,771.02 : x
  2. Step 2: Convert to fraction form
    13,320,342.58/18,382,072.48 = 7,208,771.02/x
  3. Step 3: Cross multiply
    13,320,342.58x = 18,382,072.48 × 7,208,771.02
  4. Step 4: Simplify right side
    13,320,342.58x = 132,512,151,289,453.17
  5. Step 5: Solve for x
    x = 132,512,151,289,453.17/13,320,342.58
  6. Step 6: Final answer
    x = 9,948,103.85

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1.5x scale

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.