Home / 12,286,727.01-16,959,056.13-7,131,749.31

Finding the Fourth Proportional to 12,286,727.01, 16,959,056.13 and 7,131,749.31

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Solution

The fourth proportional to 12,286,727.01, 16,959,056.13 and 7,131,749.31 is: 9,843,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,727.01 : 16,959,056.13 = 7,131,749.31 : x
  2. Step 2: Convert to fraction form
    12,286,727.01/16,959,056.13 = 7,131,749.31/x
  3. Step 3: Cross multiply
    12,286,727.01x = 16,959,056.13 × 7,131,749.31
  4. Step 4: Simplify right side
    12,286,727.01x = 120,947,736,853,378.75
  5. Step 5: Solve for x
    x = 120,947,736,853,378.75/12,286,727.01
  6. Step 6: Final answer
    x = 9,843,771.80

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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.