Home / 19,263,905.18-28,892,781.85-5,613,858.67

Finding the Fourth Proportional to 19,263,905.18, 28,892,781.85 and 5,613,858.67

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Solution

The fourth proportional to 19,263,905.18, 28,892,781.85 and 5,613,858.67 is: 8,419,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263,905.18 : 28,892,781.85 = 5,613,858.67 : x
  2. Step 2: Convert to fraction form
    19,263,905.18/28,892,781.85 = 5,613,858.67/x
  3. Step 3: Cross multiply
    19,263,905.18x = 28,892,781.85 × 5,613,858.67
  4. Step 4: Simplify right side
    19,263,905.18x = 162,199,993,716,507.94
  5. Step 5: Solve for x
    x = 162,199,993,716,507.94/19,263,905.18
  6. Step 6: Final answer
    x = 8,419,891.62

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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.