Home / 28,453,241.62-39,266,425.13-17,437,862.78

Finding the Fourth Proportional to 28,453,241.62, 39,266,425.13 and 17,437,862.78

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Solution

The fourth proportional to 28,453,241.62, 39,266,425.13 and 17,437,862.78 is: 24,064,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,241.62 : 39,266,425.13 = 17,437,862.78 : x
  2. Step 2: Convert to fraction form
    28,453,241.62/39,266,425.13 = 17,437,862.78/x
  3. Step 3: Cross multiply
    28,453,241.62x = 39,266,425.13 × 17,437,862.78
  4. Step 4: Simplify right side
    28,453,241.62x = 684,722,533,278,083.75
  5. Step 5: Solve for x
    x = 684,722,533,278,083.75/28,453,241.62
  6. Step 6: Final answer
    x = 24,064,833.89

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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.