Home / 39,243,757.07-54,155,855.77-21,840,097.67

Finding the Fourth Proportional to 39,243,757.07, 54,155,855.77 and 21,840,097.67

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Solution

The fourth proportional to 39,243,757.07, 54,155,855.77 and 21,840,097.67 is: 30,139,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243,757.07 : 54,155,855.77 = 21,840,097.67 : x
  2. Step 2: Convert to fraction form
    39,243,757.07/54,155,855.77 = 21,840,097.67/x
  3. Step 3: Cross multiply
    39,243,757.07x = 54,155,855.77 × 21,840,097.67
  4. Step 4: Simplify right side
    39,243,757.07x = 1,182,769,179,310,032.75
  5. Step 5: Solve for x
    x = 1,182,769,179,310,032.75/39,243,757.07
  6. Step 6: Final answer
    x = 30,139,040.39

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