Home / 28,545,723.06-39,393,136.53-15,492,982.38

Finding the Fourth Proportional to 28,545,723.06, 39,393,136.53 and 15,492,982.38

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Solution

The fourth proportional to 28,545,723.06, 39,393,136.53 and 15,492,982.38 is: 21,380,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,723.06 : 39,393,136.53 = 15,492,982.38 : x
  2. Step 2: Convert to fraction form
    28,545,723.06/39,393,136.53 = 15,492,982.38/x
  3. Step 3: Cross multiply
    28,545,723.06x = 39,393,136.53 × 15,492,982.38
  4. Step 4: Simplify right side
    28,545,723.06x = 610,317,170,152,224.38
  5. Step 5: Solve for x
    x = 610,317,170,152,224.38/28,545,723.06
  6. Step 6: Final answer
    x = 21,380,336.69

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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.