Home / 28,939,441.31-43,376,139.48-11,656,579.85

Finding the Fourth Proportional to 28,939,441.31, 43,376,139.48 and 11,656,579.85

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Solution

The fourth proportional to 28,939,441.31, 43,376,139.48 and 11,656,579.85 is: 17,471,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,441.31 : 43,376,139.48 = 11,656,579.85 : x
  2. Step 2: Convert to fraction form
    28,939,441.31/43,376,139.48 = 11,656,579.85/x
  3. Step 3: Cross multiply
    28,939,441.31x = 43,376,139.48 × 11,656,579.85
  4. Step 4: Simplify right side
    28,939,441.31x = 505,617,433,433,357.44
  5. Step 5: Solve for x
    x = 505,617,433,433,357.44/28,939,441.31
  6. Step 6: Final answer
    x = 17,471,568.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.