Finding the Fourth Proportional to 23,193,858.19, 32,006,647.43 and 12,881,245.58
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Solution
The fourth proportional to 23,193,858.19, 32,006,647.43 and 12,881,245.58 is: 17,775,631.91
Step by Step Solution
- Step 1: Write the proportion equation
23,193,858.19 : 32,006,647.43 = 12,881,245.58 : x - Step 2: Convert to fraction form
23,193,858.19/32,006,647.43 = 12,881,245.58/x - Step 3: Cross multiply
23,193,858.19x = 32,006,647.43 × 12,881,245.58 - Step 4: Simplify right side
23,193,858.19x = 412,285,485,753,916.25 - Step 5: Solve for x
x = 412,285,485,753,916.25/23,193,858.19 - Step 6: Final answer
x = 17,775,631.91
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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.