Home / 13,481,768.25-18,604,905.80-7,370,196.75

Finding the Fourth Proportional to 13,481,768.25, 18,604,905.80 and 7,370,196.75

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Solution

The fourth proportional to 13,481,768.25, 18,604,905.80 and 7,370,196.75 is: 10,170,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,768.25 : 18,604,905.80 = 7,370,196.75 : x
  2. Step 2: Convert to fraction form
    13,481,768.25/18,604,905.80 = 7,370,196.75/x
  3. Step 3: Cross multiply
    13,481,768.25x = 18,604,905.80 × 7,370,196.75
  4. Step 4: Simplify right side
    13,481,768.25x = 137,121,816,224,365.17
  5. Step 5: Solve for x
    x = 137,121,816,224,365.17/13,481,768.25
  6. Step 6: Final answer
    x = 10,170,907.38

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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.