Finding the Fourth Proportional to 16,217,961.30, 22,380,795.32 and 8,875,790.15
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Solution
The fourth proportional to 16,217,961.30, 22,380,795.32 and 8,875,790.15 is: 12,248,595.17
Step by Step Solution
- Step 1: Write the proportion equation
16,217,961.30 : 22,380,795.32 = 8,875,790.15 : x - Step 2: Convert to fraction form
16,217,961.30/22,380,795.32 = 8,875,790.15/x - Step 3: Cross multiply
16,217,961.30x = 22,380,795.32 × 8,875,790.15 - Step 4: Simplify right side
16,217,961.30x = 198,647,242,494,139.19 - Step 5: Solve for x
x = 198,647,242,494,139.19/16,217,961.30 - Step 6: Final answer
x = 12,248,595.17
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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.