Home / 8,082,847.70-12,124,271.55-5,213,066.30

Finding the Fourth Proportional to 8,082,847.70, 12,124,271.55 and 5,213,066.30

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Solution

The fourth proportional to 8,082,847.70, 12,124,271.55 and 5,213,066.30 is: 7,819,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082,847.70 : 12,124,271.55 = 5,213,066.30 : x
  2. Step 2: Convert to fraction form
    8,082,847.70/12,124,271.55 = 5,213,066.30/x
  3. Step 3: Cross multiply
    8,082,847.70x = 12,124,271.55 × 5,213,066.30
  4. Step 4: Simplify right side
    8,082,847.70x = 63,204,631,429,353.77
  5. Step 5: Solve for x
    x = 63,204,631,429,353.77/8,082,847.70
  6. Step 6: Final answer
    x = 7,819,599.45

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Double scale
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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.