Finding the Fourth Proportional to 11,862,742.84, 16,371,291.06 and 6,706,584.28
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Solution
The fourth proportional to 11,862,742.84, 16,371,291.06 and 6,706,584.28 is: 9,255,485.41
Step by Step Solution
- Step 1: Write the proportion equation
11,862,742.84 : 16,371,291.06 = 6,706,584.28 : x - Step 2: Convert to fraction form
11,862,742.84/16,371,291.06 = 6,706,584.28/x - Step 3: Cross multiply
11,862,742.84x = 16,371,291.06 × 6,706,584.28 - Step 4: Simplify right side
11,862,742.84x = 109,795,443,266,300.55 - Step 5: Solve for x
x = 109,795,443,266,300.55/11,862,742.84 - Step 6: Final answer
x = 9,255,485.41
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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.