Home / 28,802,456.75-43,203,728.88-11,763,129.69

Finding the Fourth Proportional to 28,802,456.75, 43,203,728.88 and 11,763,129.69

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Solution

The fourth proportional to 28,802,456.75, 43,203,728.88 and 11,763,129.69 is: 17,644,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802,456.75 : 43,203,728.88 = 11,763,129.69 : x
  2. Step 2: Convert to fraction form
    28,802,456.75/43,203,728.88 = 11,763,129.69/x
  3. Step 3: Cross multiply
    28,802,456.75x = 43,203,728.88 × 11,763,129.69
  4. Step 4: Simplify right side
    28,802,456.75x = 508,211,065,907,038.44
  5. Step 5: Solve for x
    x = 508,211,065,907,038.44/28,802,456.75
  6. Step 6: Final answer
    x = 17,644,712.40

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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.