Finding the Fourth Proportional to 11,649,257.76, 17,472,705.66 and 3,128,487.06
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Solution
The fourth proportional to 11,649,257.76, 17,472,705.66 and 3,128,487.06 is: 4,692,413.43
Step by Step Solution
- Step 1: Write the proportion equation
11,649,257.76 : 17,472,705.66 = 3,128,487.06 : x - Step 2: Convert to fraction form
11,649,257.76/17,472,705.66 = 3,128,487.06/x - Step 3: Cross multiply
11,649,257.76x = 17,472,705.66 × 3,128,487.06 - Step 4: Simplify right side
11,649,257.76x = 54,663,133,560,498.76 - Step 5: Solve for x
x = 54,663,133,560,498.76/11,649,257.76 - Step 6: Final answer
x = 4,692,413.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.