Finding the Fourth Proportional to 21,675,856.97, 32,513,893.90 and 5,501,813.12
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Solution
The fourth proportional to 21,675,856.97, 32,513,893.90 and 5,501,813.12 is: 8,252,747.20
Step by Step Solution
- Step 1: Write the proportion equation
21,675,856.97 : 32,513,893.90 = 5,501,813.12 : x - Step 2: Convert to fraction form
21,675,856.97/32,513,893.90 = 5,501,813.12/x - Step 3: Cross multiply
21,675,856.97x = 32,513,893.90 × 5,501,813.12 - Step 4: Simplify right side
21,675,856.97x = 178,885,367,986,911.09 - Step 5: Solve for x
x = 178,885,367,986,911.09/21,675,856.97 - Step 6: Final answer
x = 8,252,747.20
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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.