Home / 28,892,618.82-39,871,804.34-15,839,597.67

Finding the Fourth Proportional to 28,892,618.82, 39,871,804.34 and 15,839,597.67

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Solution

The fourth proportional to 28,892,618.82, 39,871,804.34 and 15,839,597.67 is: 21,858,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892,618.82 : 39,871,804.34 = 15,839,597.67 : x
  2. Step 2: Convert to fraction form
    28,892,618.82/39,871,804.34 = 15,839,597.67/x
  3. Step 3: Cross multiply
    28,892,618.82x = 39,871,804.34 × 15,839,597.67
  4. Step 4: Simplify right side
    28,892,618.82x = 631,553,339,043,361.88
  5. Step 5: Solve for x
    x = 631,553,339,043,361.88/28,892,618.82
  6. Step 6: Final answer
    x = 21,858,639.50

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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.