Home / 20,383,742.75-30,575,609.87-7,430,864.67

Finding the Fourth Proportional to 20,383,742.75, 30,575,609.87 and 7,430,864.67

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Solution

The fourth proportional to 20,383,742.75, 30,575,609.87 and 7,430,864.67 is: 11,146,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,742.75 : 30,575,609.87 = 7,430,864.67 : x
  2. Step 2: Convert to fraction form
    20,383,742.75/30,575,609.87 = 7,430,864.67/x
  3. Step 3: Cross multiply
    20,383,742.75x = 30,575,609.87 × 7,430,864.67
  4. Step 4: Simplify right side
    20,383,742.75x = 227,203,219,109,531.97
  5. Step 5: Solve for x
    x = 227,203,219,109,531.97/20,383,742.75
  6. Step 6: Final answer
    x = 11,146,295.45

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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.