Finding the Fourth Proportional to 8,555,537.40, 12,833,306.10 and 5,370,487.80
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Solution
The fourth proportional to 8,555,537.40, 12,833,306.10 and 5,370,487.80 is: 8,055,731.70
Step by Step Solution
- Step 1: Write the proportion equation
8,555,537.40 : 12,833,306.10 = 5,370,487.80 : x - Step 2: Convert to fraction form
8,555,537.40/12,833,306.10 = 5,370,487.80/x - Step 3: Cross multiply
8,555,537.40x = 12,833,306.10 × 5,370,487.80 - Step 4: Simplify right side
8,555,537.40x = 68,921,113,843,715.58 - Step 5: Solve for x
x = 68,921,113,843,715.58/8,555,537.40 - Step 6: Final answer
x = 8,055,731.70
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Similar ratio
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1.5x scale
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.