Finding the Fourth Proportional to 14,829,785.73, 20,464,201.44 and 8,213,982.03
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Solution
The fourth proportional to 14,829,785.73, 20,464,201.44 and 8,213,982.03 is: 11,334,795.12
Step by Step Solution
- Step 1: Write the proportion equation
14,829,785.73 : 20,464,201.44 = 8,213,982.03 : x - Step 2: Convert to fraction form
14,829,785.73/20,464,201.44 = 8,213,982.03/x - Step 3: Cross multiply
14,829,785.73x = 20,464,201.44 × 8,213,982.03 - Step 4: Simplify right side
14,829,785.73x = 168,092,582,886,460.12 - Step 5: Solve for x
x = 168,092,582,886,460.12/14,829,785.73 - Step 6: Final answer
x = 11,334,795.12
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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.