Home / 8,572,211.36-12,857,816.19-6,269,037.30

Finding the Fourth Proportional to 8,572,211.36, 12,857,816.19 and 6,269,037.30

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Solution

The fourth proportional to 8,572,211.36, 12,857,816.19 and 6,269,037.30 is: 9,403,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572,211.36 : 12,857,816.19 = 6,269,037.30 : x
  2. Step 2: Convert to fraction form
    8,572,211.36/12,857,816.19 = 6,269,037.30/x
  3. Step 3: Cross multiply
    8,572,211.36x = 12,857,816.19 × 6,269,037.30
  4. Step 4: Simplify right side
    8,572,211.36x = 80,606,129,291,653.88
  5. Step 5: Solve for x
    x = 80,606,129,291,653.88/8,572,211.36
  6. Step 6: Final answer
    x = 9,403,189.67

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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.