Finding the Fourth Proportional to 11,381,323.49, 15,706,635.23 and 6,487,284.05
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Solution
The fourth proportional to 11,381,323.49, 15,706,635.23 and 6,487,284.05 is: 8,952,685.01
Step by Step Solution
- Step 1: Write the proportion equation
11,381,323.49 : 15,706,635.23 = 6,487,284.05 : x - Step 2: Convert to fraction form
11,381,323.49/15,706,635.23 = 6,487,284.05/x - Step 3: Cross multiply
11,381,323.49x = 15,706,635.23 × 6,487,284.05 - Step 4: Simplify right side
11,381,323.49x = 101,893,404,206,747.08 - Step 5: Solve for x
x = 101,893,404,206,747.08/11,381,323.49 - Step 6: Final answer
x = 8,952,685.01
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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.