Finding the Fourth Proportional to 19,887,885.37, 29,832,469.62 and 5,511,091.69
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Solution
The fourth proportional to 19,887,885.37, 29,832,469.62 and 5,511,091.69 is: 8,266,815.32
Step by Step Solution
- Step 1: Write the proportion equation
19,887,885.37 : 29,832,469.62 = 5,511,091.69 : x - Step 2: Convert to fraction form
19,887,885.37/29,832,469.62 = 5,511,091.69/x - Step 3: Cross multiply
19,887,885.37x = 29,832,469.62 × 5,511,091.69 - Step 4: Simplify right side
19,887,885.37x = 164,409,475,414,959.47 - Step 5: Solve for x
x = 164,409,475,414,959.47/19,887,885.37 - Step 6: Final answer
x = 8,266,815.32
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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.