Finding the Fourth Proportional to 11,697,703.68, 16,142,739.84 and 6,541,075.20
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Solution
The fourth proportional to 11,697,703.68, 16,142,739.84 and 6,541,075.20 is: 9,026,632.76
Step by Step Solution
- Step 1: Write the proportion equation
11,697,703.68 : 16,142,739.84 = 6,541,075.20 : x - Step 2: Convert to fraction form
11,697,703.68/16,142,739.84 = 6,541,075.20/x - Step 3: Cross multiply
11,697,703.68x = 16,142,739.84 × 6,541,075.20 - Step 4: Simplify right side
11,697,703.68x = 105,590,875,227,475.97 - Step 5: Solve for x
x = 105,590,875,227,475.97/11,697,703.68 - Step 6: Final answer
x = 9,026,632.76
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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.