Finding the Fourth Proportional to 8,128,924.36, 12,193,386.68 and 2,737,123.42
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Solution
The fourth proportional to 8,128,924.36, 12,193,386.68 and 2,737,123.42 is: 4,105,685.18
Step by Step Solution
- Step 1: Write the proportion equation
8,128,924.36 : 12,193,386.68 = 2,737,123.42 : x - Step 2: Convert to fraction form
8,128,924.36/12,193,386.68 = 2,737,123.42/x - Step 3: Cross multiply
8,128,924.36x = 12,193,386.68 × 2,737,123.42 - Step 4: Simplify right side
8,128,924.36x = 33,374,804,250,944.04 - Step 5: Solve for x
x = 33,374,804,250,944.04/8,128,924.36 - Step 6: Final answer
x = 4,105,685.18
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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.