Finding the Fourth Proportional to 11,452,893.38, 15,805,319.98 and 6,982,706.46
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Solution
The fourth proportional to 11,452,893.38, 15,805,319.98 and 6,982,706.46 is: 9,636,334.35
Step by Step Solution
- Step 1: Write the proportion equation
11,452,893.38 : 15,805,319.98 = 6,982,706.46 : x - Step 2: Convert to fraction form
11,452,893.38/15,805,319.98 = 6,982,706.46/x - Step 3: Cross multiply
11,452,893.38x = 15,805,319.98 × 6,982,706.46 - Step 4: Simplify right side
11,452,893.38x = 110,363,909,926,713.08 - Step 5: Solve for x
x = 110,363,909,926,713.08/11,452,893.38 - Step 6: Final answer
x = 9,636,334.35
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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.