Home / 6,416,445.12-8,854,105.44-3,699,666.24

Finding the Fourth Proportional to 6,416,445.12, 8,854,105.44 and 3,699,666.24

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Solution

The fourth proportional to 6,416,445.12, 8,854,105.44 and 3,699,666.24 is: 5,105,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416,445.12 : 8,854,105.44 = 3,699,666.24 : x
  2. Step 2: Convert to fraction form
    6,416,445.12/8,854,105.44 = 3,699,666.24/x
  3. Step 3: Cross multiply
    6,416,445.12x = 8,854,105.44 × 3,699,666.24
  4. Step 4: Simplify right side
    6,416,445.12x = 32,757,234,981,768.34
  5. Step 5: Solve for x
    x = 32,757,234,981,768.34/6,416,445.12
  6. Step 6: Final answer
    x = 5,105,199.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.