Finding the Fourth Proportional to 12,106,397.68, 16,707,014.16 and 6,599,775.76
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Solution
The fourth proportional to 12,106,397.68, 16,707,014.16 and 6,599,775.76 is: 9,107,791.60
Step by Step Solution
- Step 1: Write the proportion equation
12,106,397.68 : 16,707,014.16 = 6,599,775.76 : x - Step 2: Convert to fraction form
12,106,397.68/16,707,014.16 = 6,599,775.76/x - Step 3: Cross multiply
12,106,397.68x = 16,707,014.16 × 6,599,775.76 - Step 4: Simplify right side
12,106,397.68x = 110,262,547,075,144.77 - Step 5: Solve for x
x = 110,262,547,075,144.77/12,106,397.68 - Step 6: Final answer
x = 9,107,791.60
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1.5x scale
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.