Home / 8,351,500-12,518,294.64-5,471,779.36

Finding the Fourth Proportional to 8,351,500, 12,518,294.64 and 5,471,779.36

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Solution

The fourth proportional to 8,351,500, 12,518,294.64 and 5,471,779.36 is: 8,201,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351,500 : 12,518,294.64 = 5,471,779.36 : x
  2. Step 2: Convert to fraction form
    8,351,500/12,518,294.64 = 5,471,779.36/x
  3. Step 3: Cross multiply
    8,351,500x = 12,518,294.64 × 5,471,779.36
  4. Step 4: Simplify right side
    8,351,500x = 68,497,346,233,550.64
  5. Step 5: Solve for x
    x = 68,497,346,233,550.64/8,351,500
  6. Step 6: Final answer
    x = 8,201,801.62

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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.