Home / 5,431,352.70-8,147,029.05-4,864,482.30

Finding the Fourth Proportional to 5,431,352.70, 8,147,029.05 and 4,864,482.30

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Solution

The fourth proportional to 5,431,352.70, 8,147,029.05 and 4,864,482.30 is: 7,296,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,352.70 : 8,147,029.05 = 4,864,482.30 : x
  2. Step 2: Convert to fraction form
    5,431,352.70/8,147,029.05 = 4,864,482.30/x
  3. Step 3: Cross multiply
    5,431,352.70x = 8,147,029.05 × 4,864,482.30
  4. Step 4: Simplify right side
    5,431,352.70x = 39,631,078,611,310.81
  5. Step 5: Solve for x
    x = 39,631,078,611,310.81/5,431,352.70
  6. Step 6: Final answer
    x = 7,296,723.45

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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.