Home / 12,515,676.80-17,270,206.20-7,008,285.92

Finding the Fourth Proportional to 12,515,676.80, 17,270,206.20 and 7,008,285.92

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Solution

The fourth proportional to 12,515,676.80, 17,270,206.20 and 7,008,285.92 is: 9,670,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,676.80 : 17,270,206.20 = 7,008,285.92 : x
  2. Step 2: Convert to fraction form
    12,515,676.80/17,270,206.20 = 7,008,285.92/x
  3. Step 3: Cross multiply
    12,515,676.80x = 17,270,206.20 × 7,008,285.92
  4. Step 4: Simplify right side
    12,515,676.80x = 121,034,542,946,956.70
  5. Step 5: Solve for x
    x = 121,034,542,946,956.70/12,515,676.80
  6. Step 6: Final answer
    x = 9,670,635.07

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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.