Home / 10,689,100.20-16,033,650.30-9,361,996.20

Finding the Fourth Proportional to 10,689,100.20, 16,033,650.30 and 9,361,996.20

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Solution

The fourth proportional to 10,689,100.20, 16,033,650.30 and 9,361,996.20 is: 14,042,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689,100.20 : 16,033,650.30 = 9,361,996.20 : x
  2. Step 2: Convert to fraction form
    10,689,100.20/16,033,650.30 = 9,361,996.20/x
  3. Step 3: Cross multiply
    10,689,100.20x = 16,033,650.30 × 9,361,996.20
  4. Step 4: Simplify right side
    10,689,100.20x = 150,106,973,180,728.84
  5. Step 5: Solve for x
    x = 150,106,973,180,728.84/10,689,100.20
  6. Step 6: Final answer
    x = 14,042,994.30

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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.