Home / 17,739,812.40-26,609,718.60-12,071,108.40

Finding the Fourth Proportional to 17,739,812.40, 26,609,718.60 and 12,071,108.40

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Solution

The fourth proportional to 17,739,812.40, 26,609,718.60 and 12,071,108.40 is: 18,106,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739,812.40 : 26,609,718.60 = 12,071,108.40 : x
  2. Step 2: Convert to fraction form
    17,739,812.40/26,609,718.60 = 12,071,108.40/x
  3. Step 3: Cross multiply
    17,739,812.40x = 26,609,718.60 × 12,071,108.40
  4. Step 4: Simplify right side
    17,739,812.40x = 321,208,797,714,096.25
  5. Step 5: Solve for x
    x = 321,208,797,714,096.25/17,739,812.40
  6. Step 6: Final answer
    x = 18,106,662.60

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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.