Home / 13,082,558.70-18,054,285.30-7,281,978.60

Finding the Fourth Proportional to 13,082,558.70, 18,054,285.30 and 7,281,978.60

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Solution

The fourth proportional to 13,082,558.70, 18,054,285.30 and 7,281,978.60 is: 10,049,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,558.70 : 18,054,285.30 = 7,281,978.60 : x
  2. Step 2: Convert to fraction form
    13,082,558.70/18,054,285.30 = 7,281,978.60/x
  3. Step 3: Cross multiply
    13,082,558.70x = 18,054,285.30 × 7,281,978.60
  4. Step 4: Simplify right side
    13,082,558.70x = 131,470,919,192,894.58
  5. Step 5: Solve for x
    x = 131,470,919,192,894.58/13,082,558.70
  6. Step 6: Final answer
    x = 10,049,327.67

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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.