Home / 14,112,003.80-21,168,005.70-8,363,984.60

Finding the Fourth Proportional to 14,112,003.80, 21,168,005.70 and 8,363,984.60

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Solution

The fourth proportional to 14,112,003.80, 21,168,005.70 and 8,363,984.60 is: 12,545,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,003.80 : 21,168,005.70 = 8,363,984.60 : x
  2. Step 2: Convert to fraction form
    14,112,003.80/21,168,005.70 = 8,363,984.60/x
  3. Step 3: Cross multiply
    14,112,003.80x = 21,168,005.70 × 8,363,984.60
  4. Step 4: Simplify right side
    14,112,003.80x = 177,048,873,687,512.22
  5. Step 5: Solve for x
    x = 177,048,873,687,512.22/14,112,003.80
  6. Step 6: Final answer
    x = 12,545,976.90

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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.