Home / 28,603,739.10-42,905,608.65-13,250,999.10

Finding the Fourth Proportional to 28,603,739.10, 42,905,608.65 and 13,250,999.10

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Solution

The fourth proportional to 28,603,739.10, 42,905,608.65 and 13,250,999.10 is: 19,876,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603,739.10 : 42,905,608.65 = 13,250,999.10 : x
  2. Step 2: Convert to fraction form
    28,603,739.10/42,905,608.65 = 13,250,999.10/x
  3. Step 3: Cross multiply
    28,603,739.10x = 42,905,608.65 × 13,250,999.10
  4. Step 4: Simplify right side
    28,603,739.10x = 568,542,181,606,102.12
  5. Step 5: Solve for x
    x = 568,542,181,606,102.12/28,603,739.10
  6. Step 6: Final answer
    x = 19,876,498.65

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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.