Finding the Fourth Proportional to 7,119,568.49, 10,671,887.77 and 3,329,857.13
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Solution
The fourth proportional to 7,119,568.49, 10,671,887.77 and 3,329,857.13 is: 4,991,294.29
Step by Step Solution
- Step 1: Write the proportion equation
7,119,568.49 : 10,671,887.77 = 3,329,857.13 : x - Step 2: Convert to fraction form
7,119,568.49/10,671,887.77 = 3,329,857.13/x - Step 3: Cross multiply
7,119,568.49x = 10,671,887.77 × 3,329,857.13 - Step 4: Simplify right side
7,119,568.49x = 35,535,861,519,810.22 - Step 5: Solve for x
x = 35,535,861,519,810.22/7,119,568.49 - Step 6: Final answer
x = 4,991,294.29
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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.