Finding the Fourth Proportional to 52,104,020.06, 71,912,154.84 and 28,906,620.42
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Solution
The fourth proportional to 52,104,020.06, 71,912,154.84 and 28,906,620.42 is: 39,895,911.32
Step by Step Solution
- Step 1: Write the proportion equation
52,104,020.06 : 71,912,154.84 = 28,906,620.42 : x - Step 2: Convert to fraction form
52,104,020.06/71,912,154.84 = 28,906,620.42/x - Step 3: Cross multiply
52,104,020.06x = 71,912,154.84 × 28,906,620.42 - Step 4: Simplify right side
52,104,020.06x = 2,078,737,363,544,146 - Step 5: Solve for x
x = 2,078,737,363,544,146/52,104,020.06 - Step 6: Final answer
x = 39,895,911.32
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1.5x scale
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.