Finding the Fourth Proportional to 11,889,802.95, 16,408,331.96 and 11,344,992.90
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Solution
The fourth proportional to 11,889,802.95, 16,408,331.96 and 11,344,992.90 is: 15,656,475.58
Step by Step Solution
- Step 1: Write the proportion equation
11,889,802.95 : 16,408,331.96 = 11,344,992.90 : x - Step 2: Convert to fraction form
11,889,802.95/16,408,331.96 = 11,344,992.90/x - Step 3: Cross multiply
11,889,802.95x = 16,408,331.96 × 11,344,992.90 - Step 4: Simplify right side
11,889,802.95x = 186,152,409,587,043.09 - Step 5: Solve for x
x = 186,152,409,587,043.09/11,889,802.95 - Step 6: Final answer
x = 15,656,475.58
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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.