Home / 13,408,758.54-18,503,738.38-7,828,074.46

Finding the Fourth Proportional to 13,408,758.54, 18,503,738.38 and 7,828,074.46

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Solution

The fourth proportional to 13,408,758.54, 18,503,738.38 and 7,828,074.46 is: 10,802,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,758.54 : 18,503,738.38 = 7,828,074.46 : x
  2. Step 2: Convert to fraction form
    13,408,758.54/18,503,738.38 = 7,828,074.46/x
  3. Step 3: Cross multiply
    13,408,758.54x = 18,503,738.38 × 7,828,074.46
  4. Step 4: Simplify right side
    13,408,758.54x = 144,848,641,734,481.06
  5. Step 5: Solve for x
    x = 144,848,641,734,481.06/13,408,758.54
  6. Step 6: Final answer
    x = 10,802,539.35

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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.