Home / 28,465,033.70-39,281,765.03-15,412,301.45

Finding the Fourth Proportional to 28,465,033.70, 39,281,765.03 and 15,412,301.45

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Solution

The fourth proportional to 28,465,033.70, 39,281,765.03 and 15,412,301.45 is: 21,268,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465,033.70 : 39,281,765.03 = 15,412,301.45 : x
  2. Step 2: Convert to fraction form
    28,465,033.70/39,281,765.03 = 15,412,301.45/x
  3. Step 3: Cross multiply
    28,465,033.70x = 39,281,765.03 × 15,412,301.45
  4. Step 4: Simplify right side
    28,465,033.70x = 605,422,404,267,163.50
  5. Step 5: Solve for x
    x = 605,422,404,267,163.50/28,465,033.70
  6. Step 6: Final answer
    x = 21,268,986.04

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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.