Home / 28,603,747.60-42,905,621.40-13,251,007.60

Finding the Fourth Proportional to 28,603,747.60, 42,905,621.40 and 13,251,007.60

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Solution

The fourth proportional to 28,603,747.60, 42,905,621.40 and 13,251,007.60 is: 19,876,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603,747.60 : 42,905,621.40 = 13,251,007.60 : x
  2. Step 2: Convert to fraction form
    28,603,747.60/42,905,621.40 = 13,251,007.60/x
  3. Step 3: Cross multiply
    28,603,747.60x = 42,905,621.40 × 13,251,007.60
  4. Step 4: Simplify right side
    28,603,747.60x = 568,542,715,254,122.62
  5. Step 5: Solve for x
    x = 568,542,715,254,122.62/28,603,747.60
  6. Step 6: Final answer
    x = 19,876,511.40

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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.