Home / 12,660,215.79-17,471,114.93-6,858,997.36

Finding the Fourth Proportional to 12,660,215.79, 17,471,114.93 and 6,858,997.36

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Solution

The fourth proportional to 12,660,215.79, 17,471,114.93 and 6,858,997.36 is: 9,465,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,215.79 : 17,471,114.93 = 6,858,997.36 : x
  2. Step 2: Convert to fraction form
    12,660,215.79/17,471,114.93 = 6,858,997.36/x
  3. Step 3: Cross multiply
    12,660,215.79x = 17,471,114.93 × 6,858,997.36
  4. Step 4: Simplify right side
    12,660,215.79x = 119,834,331,214,289.45
  5. Step 5: Solve for x
    x = 119,834,331,214,289.45/12,660,215.79
  6. Step 6: Final answer
    x = 9,465,425.64

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1.5x scale

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.