Home / 28,453,978-39,266,491.56-15,576,922

Finding the Fourth Proportional to 28,453,978, 39,266,491.56 and 15,576,922

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Solution

The fourth proportional to 28,453,978, 39,266,491.56 and 15,576,922 is: 21,496,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,978 : 39,266,491.56 = 15,576,922 : x
  2. Step 2: Convert to fraction form
    28,453,978/39,266,491.56 = 15,576,922/x
  3. Step 3: Cross multiply
    28,453,978x = 39,266,491.56 × 15,576,922
  4. Step 4: Simplify right side
    28,453,978x = 611,651,076,243,778.38
  5. Step 5: Solve for x
    x = 611,651,076,243,778.38/28,453,978
  6. Step 6: Final answer
    x = 21,496,153.41

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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.