Home / 7,224,667.11-9,970,152.98-3,961,779.75

Finding the Fourth Proportional to 7,224,667.11, 9,970,152.98 and 3,961,779.75

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Solution

The fourth proportional to 7,224,667.11, 9,970,152.98 and 3,961,779.75 is: 5,467,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224,667.11 : 9,970,152.98 = 3,961,779.75 : x
  2. Step 2: Convert to fraction form
    7,224,667.11/9,970,152.98 = 3,961,779.75/x
  3. Step 3: Cross multiply
    7,224,667.11x = 9,970,152.98 × 3,961,779.75
  4. Step 4: Simplify right side
    7,224,667.11x = 39,499,550,160,757.26
  5. Step 5: Solve for x
    x = 39,499,550,160,757.26/7,224,667.11
  6. Step 6: Final answer
    x = 5,467,317.67

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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.