Finding the Fourth Proportional to 11,296,661.80, 16,934,495.10 and 7,884,941.80
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Solution
The fourth proportional to 11,296,661.80, 16,934,495.10 and 7,884,941.80 is: 11,820,085.49
Step by Step Solution
- Step 1: Write the proportion equation
11,296,661.80 : 16,934,495.10 = 7,884,941.80 : x - Step 2: Convert to fraction form
11,296,661.80/16,934,495.10 = 7,884,941.80/x - Step 3: Cross multiply
11,296,661.80x = 16,934,495.10 × 7,884,941.80 - Step 4: Simplify right side
11,296,661.80x = 133,527,508,275,885.19 - Step 5: Solve for x
x = 133,527,508,275,885.19/11,296,661.80 - Step 6: Final answer
x = 11,820,085.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.