Home / 12,393,998.10-18,590,997.15-11,554,190.10

Finding the Fourth Proportional to 12,393,998.10, 18,590,997.15 and 11,554,190.10

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Solution

The fourth proportional to 12,393,998.10, 18,590,997.15 and 11,554,190.10 is: 17,331,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,998.10 : 18,590,997.15 = 11,554,190.10 : x
  2. Step 2: Convert to fraction form
    12,393,998.10/18,590,997.15 = 11,554,190.10/x
  3. Step 3: Cross multiply
    12,393,998.10x = 18,590,997.15 × 11,554,190.10
  4. Step 4: Simplify right side
    12,393,998.10x = 214,803,915,219,658.19
  5. Step 5: Solve for x
    x = 214,803,915,219,658.19/12,393,998.10
  6. Step 6: Final answer
    x = 17,331,285.15

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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.