Finding the Fourth Proportional to 11,968,461.94, 16,505,266.08 and 9,529,125.34
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Solution
The fourth proportional to 11,968,461.94, 16,505,266.08 and 9,529,125.34 is: 13,141,266.61
Step by Step Solution
- Step 1: Write the proportion equation
11,968,461.94 : 16,505,266.08 = 9,529,125.34 : x - Step 2: Convert to fraction form
11,968,461.94/16,505,266.08 = 9,529,125.34/x - Step 3: Cross multiply
11,968,461.94x = 16,505,266.08 × 9,529,125.34 - Step 4: Simplify right side
11,968,461.94x = 157,280,749,246,370.47 - Step 5: Solve for x
x = 157,280,749,246,370.47/11,968,461.94 - Step 6: Final answer
x = 13,141,266.61
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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.