Home / 7,190,659.15-10,785,988.73-5,182,993.15

Finding the Fourth Proportional to 7,190,659.15, 10,785,988.73 and 5,182,993.15

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Solution

The fourth proportional to 7,190,659.15, 10,785,988.73 and 5,182,993.15 is: 7,774,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,659.15 : 10,785,988.73 = 5,182,993.15 : x
  2. Step 2: Convert to fraction form
    7,190,659.15/10,785,988.73 = 5,182,993.15/x
  3. Step 3: Cross multiply
    7,190,659.15x = 10,785,988.73 × 5,182,993.15
  4. Step 4: Simplify right side
    7,190,659.15x = 55,903,705,677,652.23
  5. Step 5: Solve for x
    x = 55,903,705,677,652.23/7,190,659.15
  6. Step 6: Final answer
    x = 7,774,489.73

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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.