Home / 28,878,993.68-39,871,127.72-18,583,608.56

Finding the Fourth Proportional to 28,878,993.68, 39,871,127.72 and 18,583,608.56

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Solution

The fourth proportional to 28,878,993.68, 39,871,127.72 and 18,583,608.56 is: 25,657,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878,993.68 : 39,871,127.72 = 18,583,608.56 : x
  2. Step 2: Convert to fraction form
    28,878,993.68/39,871,127.72 = 18,583,608.56/x
  3. Step 3: Cross multiply
    28,878,993.68x = 39,871,127.72 × 18,583,608.56
  4. Step 4: Simplify right side
    28,878,993.68x = 740,949,430,394,245.25
  5. Step 5: Solve for x
    x = 740,949,430,394,245.25/28,878,993.68
  6. Step 6: Final answer
    x = 25,657,037.73

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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.