Home / 28,419,676.61-42,634,773.93-8,993,791.87

Finding the Fourth Proportional to 28,419,676.61, 42,634,773.93 and 8,993,791.87

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Solution

The fourth proportional to 28,419,676.61, 42,634,773.93 and 8,993,791.87 is: 13,492,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419,676.61 : 42,634,773.93 = 8,993,791.87 : x
  2. Step 2: Convert to fraction form
    28,419,676.61/42,634,773.93 = 8,993,791.87/x
  3. Step 3: Cross multiply
    28,419,676.61x = 42,634,773.93 × 8,993,791.87
  4. Step 4: Simplify right side
    28,419,676.61x = 383,448,283,078,061.75
  5. Step 5: Solve for x
    x = 383,448,283,078,061.75/28,419,676.61
  6. Step 6: Final answer
    x = 13,492,352.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.