Home / 7,317,389.60-10,971,829.82-2,768,789.77

Finding the Fourth Proportional to 7,317,389.60, 10,971,829.82 and 2,768,789.77

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Solution

The fourth proportional to 7,317,389.60, 10,971,829.82 and 2,768,789.77 is: 4,151,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317,389.60 : 10,971,829.82 = 2,768,789.77 : x
  2. Step 2: Convert to fraction form
    7,317,389.60/10,971,829.82 = 2,768,789.77/x
  3. Step 3: Cross multiply
    7,317,389.60x = 10,971,829.82 × 2,768,789.77
  4. Step 4: Simplify right side
    7,317,389.60x = 30,378,690,143,289.34
  5. Step 5: Solve for x
    x = 30,378,690,143,289.34/7,317,389.60
  6. Step 6: Final answer
    x = 4,151,574.79

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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.