Home / 28,453,977-39,266,490.18-15,576,921

Finding the Fourth Proportional to 28,453,977, 39,266,490.18 and 15,576,921

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Solution

The fourth proportional to 28,453,977, 39,266,490.18 and 15,576,921 is: 21,496,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,977 : 39,266,490.18 = 15,576,921 : x
  2. Step 2: Convert to fraction form
    28,453,977/39,266,490.18 = 15,576,921/x
  3. Step 3: Cross multiply
    28,453,977x = 39,266,490.18 × 15,576,921
  4. Step 4: Simplify right side
    28,453,977x = 611,651,015,481,135.75
  5. Step 5: Solve for x
    x = 611,651,015,481,135.75/28,453,977
  6. Step 6: Final answer
    x = 21,496,152.03

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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.