Finding the Fourth Proportional to 8,688,531.03, 11,990,255.49 and 4,821,412.02
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Solution
The fourth proportional to 8,688,531.03, 11,990,255.49 and 4,821,412.02 is: 6,653,594.46
Step by Step Solution
- Step 1: Write the proportion equation
8,688,531.03 : 11,990,255.49 = 4,821,412.02 : x - Step 2: Convert to fraction form
8,688,531.03/11,990,255.49 = 4,821,412.02/x - Step 3: Cross multiply
8,688,531.03x = 11,990,255.49 × 4,821,412.02 - Step 4: Simplify right side
8,688,531.03x = 57,809,961,942,356.98 - Step 5: Solve for x
x = 57,809,961,942,356.98/8,688,531.03 - Step 6: Final answer
x = 6,653,594.46
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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.