Home / 12,291,138.31-16,961,771.73-6,784,514.68

Finding the Fourth Proportional to 12,291,138.31, 16,961,771.73 and 6,784,514.68

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Solution

The fourth proportional to 12,291,138.31, 16,961,771.73 and 6,784,514.68 is: 9,362,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,138.31 : 16,961,771.73 = 6,784,514.68 : x
  2. Step 2: Convert to fraction form
    12,291,138.31/16,961,771.73 = 6,784,514.68/x
  3. Step 3: Cross multiply
    12,291,138.31x = 16,961,771.73 × 6,784,514.68
  4. Step 4: Simplify right side
    12,291,138.31x = 115,077,389,300,994
  5. Step 5: Solve for x
    x = 115,077,389,300,994/12,291,138.31
  6. Step 6: Final answer
    x = 9,362,630.73

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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.