Home / 5,431,362.40-8,147,043.60-5,347,381.60

Finding the Fourth Proportional to 5,431,362.40, 8,147,043.60 and 5,347,381.60

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Solution

The fourth proportional to 5,431,362.40, 8,147,043.60 and 5,347,381.60 is: 8,021,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,362.40 : 8,147,043.60 = 5,347,381.60 : x
  2. Step 2: Convert to fraction form
    5,431,362.40/8,147,043.60 = 5,347,381.60/x
  3. Step 3: Cross multiply
    5,431,362.40x = 8,147,043.60 × 5,347,381.60
  4. Step 4: Simplify right side
    5,431,362.40x = 43,565,351,041,037.76
  5. Step 5: Solve for x
    x = 43,565,351,041,037.76/5,431,362.40
  6. Step 6: Final answer
    x = 8,021,072.40

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Similar ratio
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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.