Home / 28,560,238.74-39,412,725.93-16,170,012.45

Finding the Fourth Proportional to 28,560,238.74, 39,412,725.93 and 16,170,012.45

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Solution

The fourth proportional to 28,560,238.74, 39,412,725.93 and 16,170,012.45 is: 22,314,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,238.74 : 39,412,725.93 = 16,170,012.45 : x
  2. Step 2: Convert to fraction form
    28,560,238.74/39,412,725.93 = 16,170,012.45/x
  3. Step 3: Cross multiply
    28,560,238.74x = 39,412,725.93 × 16,170,012.45
  4. Step 4: Simplify right side
    28,560,238.74x = 637,304,268,976,537.75
  5. Step 5: Solve for x
    x = 637,304,268,976,537.75/28,560,238.74
  6. Step 6: Final answer
    x = 22,314,388.71

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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.