Home / 13,140,067.22-19,710,100.83-4,164,619.22

Finding the Fourth Proportional to 13,140,067.22, 19,710,100.83 and 4,164,619.22

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Solution

The fourth proportional to 13,140,067.22, 19,710,100.83 and 4,164,619.22 is: 6,246,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,067.22 : 19,710,100.83 = 4,164,619.22 : x
  2. Step 2: Convert to fraction form
    13,140,067.22/19,710,100.83 = 4,164,619.22/x
  3. Step 3: Cross multiply
    13,140,067.22x = 19,710,100.83 × 4,164,619.22
  4. Step 4: Simplify right side
    13,140,067.22x = 82,085,064,712,309.67
  5. Step 5: Solve for x
    x = 82,085,064,712,309.67/13,140,067.22
  6. Step 6: Final answer
    x = 6,246,928.83

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Double scale
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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.