Home / 11,712,004.80-17,568,007.20-8,310,782.40

Finding the Fourth Proportional to 11,712,004.80, 17,568,007.20 and 8,310,782.40

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Solution

The fourth proportional to 11,712,004.80, 17,568,007.20 and 8,310,782.40 is: 12,466,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712,004.80 : 17,568,007.20 = 8,310,782.40 : x
  2. Step 2: Convert to fraction form
    11,712,004.80/17,568,007.20 = 8,310,782.40/x
  3. Step 3: Cross multiply
    11,712,004.80x = 17,568,007.20 × 8,310,782.40
  4. Step 4: Simplify right side
    11,712,004.80x = 146,003,885,040,833.28
  5. Step 5: Solve for x
    x = 146,003,885,040,833.28/11,712,004.80
  6. Step 6: Final answer
    x = 12,466,173.60

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Similar ratio
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1.5x scale

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.