Home / 17,870,439.60-26,805,659.40-7,090,311.60

Finding the Fourth Proportional to 17,870,439.60, 26,805,659.40 and 7,090,311.60

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Solution

The fourth proportional to 17,870,439.60, 26,805,659.40 and 7,090,311.60 is: 10,635,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870,439.60 : 26,805,659.40 = 7,090,311.60 : x
  2. Step 2: Convert to fraction form
    17,870,439.60/26,805,659.40 = 7,090,311.60/x
  3. Step 3: Cross multiply
    17,870,439.60x = 26,805,659.40 × 7,090,311.60
  4. Step 4: Simplify right side
    17,870,439.60x = 190,060,477,789,469.03
  5. Step 5: Solve for x
    x = 190,060,477,789,469.03/17,870,439.60
  6. Step 6: Final answer
    x = 10,635,467.40

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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.