Home / 28,858,033-39,825,337.38-15,980,977

Finding the Fourth Proportional to 28,858,033, 39,825,337.38 and 15,980,977

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Solution

The fourth proportional to 28,858,033, 39,825,337.38 and 15,980,977 is: 22,054,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,033 : 39,825,337.38 = 15,980,977 : x
  2. Step 2: Convert to fraction form
    28,858,033/39,825,337.38 = 15,980,977/x
  3. Step 3: Cross multiply
    28,858,033x = 39,825,337.38 × 15,980,977
  4. Step 4: Simplify right side
    28,858,033x = 636,447,800,687,020.25
  5. Step 5: Solve for x
    x = 636,447,800,687,020.25/28,858,033
  6. Step 6: Final answer
    x = 22,054,441.50

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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.