Finding the Fourth Proportional to 8,716,752.79, 13,075,129.10 and 3,177,703.87
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Solution
The fourth proportional to 8,716,752.79, 13,075,129.10 and 3,177,703.87 is: 4,766,555.77
Step by Step Solution
- Step 1: Write the proportion equation
8,716,752.79 : 13,075,129.10 = 3,177,703.87 : x - Step 2: Convert to fraction form
8,716,752.79/13,075,129.10 = 3,177,703.87/x - Step 3: Cross multiply
8,716,752.79x = 13,075,129.10 × 3,177,703.87 - Step 4: Simplify right side
8,716,752.79x = 41,548,888,317,076.05 - Step 5: Solve for x
x = 41,548,888,317,076.05/8,716,752.79 - Step 6: Final answer
x = 4,766,555.77
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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.