Home / 13,320,307.04-18,382,023.50-7,208,735.56

Finding the Fourth Proportional to 13,320,307.04, 18,382,023.50 and 7,208,735.56

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Solution

The fourth proportional to 13,320,307.04, 18,382,023.50 and 7,208,735.56 is: 9,948,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,307.04 : 18,382,023.50 = 7,208,735.56 : x
  2. Step 2: Convert to fraction form
    13,320,307.04/18,382,023.50 = 7,208,735.56/x
  3. Step 3: Cross multiply
    13,320,307.04x = 18,382,023.50 × 7,208,735.56
  4. Step 4: Simplify right side
    13,320,307.04x = 132,511,146,469,205.66
  5. Step 5: Solve for x
    x = 132,511,146,469,205.66/13,320,307.04
  6. Step 6: Final answer
    x = 9,948,054.96

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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.