Home / 28,939,435.25-43,376,130.38-11,656,573.79

Finding the Fourth Proportional to 28,939,435.25, 43,376,130.38 and 11,656,573.79

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Solution

The fourth proportional to 28,939,435.25, 43,376,130.38 and 11,656,573.79 is: 17,471,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,435.25 : 43,376,130.38 = 11,656,573.79 : x
  2. Step 2: Convert to fraction form
    28,939,435.25/43,376,130.38 = 11,656,573.79/x
  3. Step 3: Cross multiply
    28,939,435.25x = 43,376,130.38 × 11,656,573.79
  4. Step 4: Simplify right side
    28,939,435.25x = 505,617,064,311,391.56
  5. Step 5: Solve for x
    x = 505,617,064,311,391.56/28,939,435.25
  6. Step 6: Final answer
    x = 17,471,559.48

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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.