Home / 5,431,715.70-8,147,573.55-5,360,856.90

Finding the Fourth Proportional to 5,431,715.70, 8,147,573.55 and 5,360,856.90

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Solution

The fourth proportional to 5,431,715.70, 8,147,573.55 and 5,360,856.90 is: 8,041,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,715.70 : 8,147,573.55 = 5,360,856.90 : x
  2. Step 2: Convert to fraction form
    5,431,715.70/8,147,573.55 = 5,360,856.90/x
  3. Step 3: Cross multiply
    5,431,715.70x = 8,147,573.55 × 5,360,856.90
  4. Step 4: Simplify right side
    5,431,715.70x = 43,677,975,883,775
  5. Step 5: Solve for x
    x = 43,677,975,883,775/5,431,715.70
  6. Step 6: Final answer
    x = 8,041,285.35

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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.