Home / 7,678,086.60-11,521,104.30-3,132,467.40

Finding the Fourth Proportional to 7,678,086.60, 11,521,104.30 and 3,132,467.40

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Solution

The fourth proportional to 7,678,086.60, 11,521,104.30 and 3,132,467.40 is: 4,700,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,086.60 : 11,521,104.30 = 3,132,467.40 : x
  2. Step 2: Convert to fraction form
    7,678,086.60/11,521,104.30 = 3,132,467.40/x
  3. Step 3: Cross multiply
    7,678,086.60x = 11,521,104.30 × 3,132,467.40
  4. Step 4: Simplify right side
    7,678,086.60x = 36,089,483,631,749.82
  5. Step 5: Solve for x
    x = 36,089,483,631,749.82/7,678,086.60
  6. Step 6: Final answer
    x = 4,700,322.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.