Finding the Fourth Proportional to 16,091,082.68, 22,205,432.48 and 8,749,100.70
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Solution
The fourth proportional to 16,091,082.68, 22,205,432.48 and 8,749,100.70 is: 12,073,616.72
Step by Step Solution
- Step 1: Write the proportion equation
16,091,082.68 : 22,205,432.48 = 8,749,100.70 : x - Step 2: Convert to fraction form
16,091,082.68/22,205,432.48 = 8,749,100.70/x - Step 3: Cross multiply
16,091,082.68x = 22,205,432.48 × 8,749,100.70 - Step 4: Simplify right side
16,091,082.68x = 194,277,564,878,954.19 - Step 5: Solve for x
x = 194,277,564,878,954.19/16,091,082.68 - Step 6: Final answer
x = 12,073,616.72
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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.