Finding the Fourth Proportional to 12,070,415.96, 16,656,841.83 and 6,637,907.96
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Solution
The fourth proportional to 12,070,415.96, 16,656,841.83 and 6,637,907.96 is: 9,160,130.30
Step by Step Solution
- Step 1: Write the proportion equation
12,070,415.96 : 16,656,841.83 = 6,637,907.96 : x - Step 2: Convert to fraction form
12,070,415.96/16,656,841.83 = 6,637,907.96/x - Step 3: Cross multiply
12,070,415.96x = 16,656,841.83 × 6,637,907.96 - Step 4: Simplify right side
12,070,415.96x = 110,566,582,971,817.97 - Step 5: Solve for x
x = 110,566,582,971,817.97/12,070,415.96 - Step 6: Final answer
x = 9,160,130.30
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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.