Finding the Fourth Proportional to 8,128,924.62, 12,193,387.06 and 2,737,123.66
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Solution
The fourth proportional to 8,128,924.62, 12,193,387.06 and 2,737,123.66 is: 4,105,685.53
Step by Step Solution
- Step 1: Write the proportion equation
8,128,924.62 : 12,193,387.06 = 2,737,123.66 : x - Step 2: Convert to fraction form
8,128,924.62/12,193,387.06 = 2,737,123.66/x - Step 3: Cross multiply
8,128,924.62x = 12,193,387.06 × 2,737,123.66 - Step 4: Simplify right side
8,128,924.62x = 33,374,808,217,463.84 - Step 5: Solve for x
x = 33,374,808,217,463.84/8,128,924.62 - Step 6: Final answer
x = 4,105,685.53
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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.