Home / 13,102,092.80-19,653,139.20-8,056,246.40

Finding the Fourth Proportional to 13,102,092.80, 19,653,139.20 and 8,056,246.40

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Solution

The fourth proportional to 13,102,092.80, 19,653,139.20 and 8,056,246.40 is: 12,084,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,092.80 : 19,653,139.20 = 8,056,246.40 : x
  2. Step 2: Convert to fraction form
    13,102,092.80/19,653,139.20 = 8,056,246.40/x
  3. Step 3: Cross multiply
    13,102,092.80x = 19,653,139.20 × 8,056,246.40
  4. Step 4: Simplify right side
    13,102,092.80x = 158,330,531,928,698.88
  5. Step 5: Solve for x
    x = 158,330,531,928,698.88/13,102,092.80
  6. Step 6: Final answer
    x = 12,084,369.60

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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.