Home / 10,362,664.70-15,543,997.05-8,197,826.30

Finding the Fourth Proportional to 10,362,664.70, 15,543,997.05 and 8,197,826.30

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Solution

The fourth proportional to 10,362,664.70, 15,543,997.05 and 8,197,826.30 is: 12,296,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,664.70 : 15,543,997.05 = 8,197,826.30 : x
  2. Step 2: Convert to fraction form
    10,362,664.70/15,543,997.05 = 8,197,826.30/x
  3. Step 3: Cross multiply
    10,362,664.70x = 15,543,997.05 × 8,197,826.30
  4. Step 4: Simplify right side
    10,362,664.70x = 127,426,987,823,612.42
  5. Step 5: Solve for x
    x = 127,426,987,823,612.42/10,362,664.70
  6. Step 6: Final answer
    x = 12,296,739.45

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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.