Finding the Fourth Proportional to 11,689,955.50, 16,131,661.99 and 6,462,630.96
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Solution
The fourth proportional to 11,689,955.50, 16,131,661.99 and 6,462,630.96 is: 8,918,167.24
Step by Step Solution
- Step 1: Write the proportion equation
11,689,955.50 : 16,131,661.99 = 6,462,630.96 : x - Step 2: Convert to fraction form
11,689,955.50/16,131,661.99 = 6,462,630.96/x - Step 3: Cross multiply
11,689,955.50x = 16,131,661.99 × 6,462,630.96 - Step 4: Simplify right side
11,689,955.50x = 104,252,978,212,829.22 - Step 5: Solve for x
x = 104,252,978,212,829.22/11,689,955.50 - Step 6: Final answer
x = 8,918,167.24
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.