Home / 15,504,290.76-21,395,921.54-8,630,396.67

Finding the Fourth Proportional to 15,504,290.76, 21,395,921.54 and 8,630,396.67

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Solution

The fourth proportional to 15,504,290.76, 21,395,921.54 and 8,630,396.67 is: 11,909,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,290.76 : 21,395,921.54 = 8,630,396.67 : x
  2. Step 2: Convert to fraction form
    15,504,290.76/21,395,921.54 = 8,630,396.67/x
  3. Step 3: Cross multiply
    15,504,290.76x = 21,395,921.54 × 8,630,396.67
  4. Step 4: Simplify right side
    15,504,290.76x = 184,655,289,967,245.28
  5. Step 5: Solve for x
    x = 184,655,289,967,245.28/15,504,290.76
  6. Step 6: Final answer
    x = 11,909,947.56

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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.