Finding the Fourth Proportional to 8,129,625.68, 11,218,075.08 and 4,692,973.92
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Solution
The fourth proportional to 8,129,625.68, 11,218,075.08 and 4,692,973.92 is: 6,475,837.37
Step by Step Solution
- Step 1: Write the proportion equation
8,129,625.68 : 11,218,075.08 = 4,692,973.92 : x - Step 2: Convert to fraction form
8,129,625.68/11,218,075.08 = 4,692,973.92/x - Step 3: Cross multiply
8,129,625.68x = 11,218,075.08 × 4,692,973.92 - Step 4: Simplify right side
8,129,625.68x = 52,646,133,783,041.91 - Step 5: Solve for x
x = 52,646,133,783,041.91/8,129,625.68 - Step 6: Final answer
x = 6,475,837.37
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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.