Finding the Fourth Proportional to 11,540,776.77, 15,926,283.32 and 6,384,486.87
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Solution
The fourth proportional to 11,540,776.77, 15,926,283.32 and 6,384,486.87 is: 8,810,598.17
Step by Step Solution
- Step 1: Write the proportion equation
11,540,776.77 : 15,926,283.32 = 6,384,486.87 : x - Step 2: Convert to fraction form
11,540,776.77/15,926,283.32 = 6,384,486.87/x - Step 3: Cross multiply
11,540,776.77x = 15,926,283.32 × 6,384,486.87 - Step 4: Simplify right side
11,540,776.77x = 101,681,146,712,517.58 - Step 5: Solve for x
x = 101,681,146,712,517.58/11,540,776.77 - Step 6: Final answer
x = 8,810,598.17
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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.