Finding the Fourth Proportional to 11,688,496.21, 16,130,146.67 and 6,531,857.77
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Solution
The fourth proportional to 11,688,496.21, 16,130,146.67 and 6,531,857.77 is: 9,013,975.96
Step by Step Solution
- Step 1: Write the proportion equation
11,688,496.21 : 16,130,146.67 = 6,531,857.77 : x - Step 2: Convert to fraction form
11,688,496.21/16,130,146.67 = 6,531,857.77/x - Step 3: Cross multiply
11,688,496.21x = 16,130,146.67 × 6,531,857.77 - Step 4: Simplify right side
11,688,496.21x = 105,359,823,857,679.12 - Step 5: Solve for x
x = 105,359,823,857,679.12/11,688,496.21 - Step 6: Final answer
x = 9,013,975.96
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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.