Home / 9,013,589.96-13,520,384.93-2,190,128.09

Finding the Fourth Proportional to 9,013,589.96, 13,520,384.93 and 2,190,128.09

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Solution

The fourth proportional to 9,013,589.96, 13,520,384.93 and 2,190,128.09 is: 3,285,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013,589.96 : 13,520,384.93 = 2,190,128.09 : x
  2. Step 2: Convert to fraction form
    9,013,589.96/13,520,384.93 = 2,190,128.09/x
  3. Step 3: Cross multiply
    9,013,589.96x = 13,520,384.93 × 2,190,128.09
  4. Step 4: Simplify right side
    9,013,589.96x = 29,611,374,760,679.08
  5. Step 5: Solve for x
    x = 29,611,374,760,679.08/9,013,589.96
  6. Step 6: Final answer
    x = 3,285,192.13

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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.