Finding the Fourth Proportional to 10,731,838.72, 14,805,051.96 and 6,378,450.88
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Solution
The fourth proportional to 10,731,838.72, 14,805,051.96 and 6,378,450.88 is: 8,799,358.54
Step by Step Solution
- Step 1: Write the proportion equation
10,731,838.72 : 14,805,051.96 = 6,378,450.88 : x - Step 2: Convert to fraction form
10,731,838.72/14,805,051.96 = 6,378,450.88/x - Step 3: Cross multiply
10,731,838.72x = 14,805,051.96 × 6,378,450.88 - Step 4: Simplify right side
10,731,838.72x = 94,433,296,702,707.73 - Step 5: Solve for x
x = 94,433,296,702,707.73/10,731,838.72 - Step 6: Final answer
x = 8,799,358.54
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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.