Finding the Fourth Proportional to 8,081,710.36, 12,118,994.34 and 3,029,476.76
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Solution
The fourth proportional to 8,081,710.36, 12,118,994.34 and 3,029,476.76 is: 4,542,876.45
Step by Step Solution
- Step 1: Write the proportion equation
8,081,710.36 : 12,118,994.34 = 3,029,476.76 : x - Step 2: Convert to fraction form
8,081,710.36/12,118,994.34 = 3,029,476.76/x - Step 3: Cross multiply
8,081,710.36x = 12,118,994.34 × 3,029,476.76 - Step 4: Simplify right side
8,081,710.36x = 36,714,211,707,601.54 - Step 5: Solve for x
x = 36,714,211,707,601.54/8,081,710.36 - Step 6: Final answer
x = 4,542,876.45
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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.