Home / 6,143,999.60-9,215,999.40-5,303,500.40

Finding the Fourth Proportional to 6,143,999.60, 9,215,999.40 and 5,303,500.40

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Solution

The fourth proportional to 6,143,999.60, 9,215,999.40 and 5,303,500.40 is: 7,955,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,999.60 : 9,215,999.40 = 5,303,500.40 : x
  2. Step 2: Convert to fraction form
    6,143,999.60/9,215,999.40 = 5,303,500.40/x
  3. Step 3: Cross multiply
    6,143,999.60x = 9,215,999.40 × 5,303,500.40
  4. Step 4: Simplify right side
    6,143,999.60x = 48,877,056,504,299.77
  5. Step 5: Solve for x
    x = 48,877,056,504,299.77/6,143,999.60
  6. Step 6: Final answer
    x = 7,955,250.60

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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.