Home / 28,314,433.81-39,091,870.64-19,388,480.66

Finding the Fourth Proportional to 28,314,433.81, 39,091,870.64 and 19,388,480.66

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Solution

The fourth proportional to 28,314,433.81, 39,091,870.64 and 19,388,480.66 is: 26,768,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314,433.81 : 39,091,870.64 = 19,388,480.66 : x
  2. Step 2: Convert to fraction form
    28,314,433.81/39,091,870.64 = 19,388,480.66/x
  3. Step 3: Cross multiply
    28,314,433.81x = 39,091,870.64 × 19,388,480.66
  4. Step 4: Simplify right side
    28,314,433.81x = 757,931,977,757,408.12
  5. Step 5: Solve for x
    x = 757,931,977,757,408.12/28,314,433.81
  6. Step 6: Final answer
    x = 26,768,396.03

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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.