Home / 7,137,038.18-9,848,847.66-3,873,782.67

Finding the Fourth Proportional to 7,137,038.18, 9,848,847.66 and 3,873,782.67

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Solution

The fourth proportional to 7,137,038.18, 9,848,847.66 and 3,873,782.67 is: 5,345,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,038.18 : 9,848,847.66 = 3,873,782.67 : x
  2. Step 2: Convert to fraction form
    7,137,038.18/9,848,847.66 = 3,873,782.67/x
  3. Step 3: Cross multiply
    7,137,038.18x = 9,848,847.66 × 3,873,782.67
  4. Step 4: Simplify right side
    7,137,038.18x = 38,152,295,384,778.05
  5. Step 5: Solve for x
    x = 38,152,295,384,778.05/7,137,038.18
  6. Step 6: Final answer
    x = 5,345,676.24

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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.