Finding the Fourth Proportional to 12,896,369.99, 17,796,989.91 and 7,095,027.17
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Solution
The fourth proportional to 12,896,369.99, 17,796,989.91 and 7,095,027.17 is: 9,791,137.12
Step by Step Solution
- Step 1: Write the proportion equation
12,896,369.99 : 17,796,989.91 = 7,095,027.17 : x - Step 2: Convert to fraction form
12,896,369.99/17,796,989.91 = 7,095,027.17/x - Step 3: Cross multiply
12,896,369.99x = 17,796,989.91 × 7,095,027.17 - Step 4: Simplify right side
12,896,369.99x = 126,270,126,920,190.72 - Step 5: Solve for x
x = 126,270,126,920,190.72/12,896,369.99 - Step 6: Final answer
x = 9,791,137.12
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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.