Finding the Fourth Proportional to 19,853,588.41, 29,771,918.92 and 7,555,453.18
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Solution
The fourth proportional to 19,853,588.41, 29,771,918.92 and 7,555,453.18 is: 11,329,958.84
Step by Step Solution
- Step 1: Write the proportion equation
19,853,588.41 : 29,771,918.92 = 7,555,453.18 : x - Step 2: Convert to fraction form
19,853,588.41/29,771,918.92 = 7,555,453.18/x - Step 3: Cross multiply
19,853,588.41x = 29,771,918.92 × 7,555,453.18 - Step 4: Simplify right side
19,853,588.41x = 224,940,339,478,816.16 - Step 5: Solve for x
x = 224,940,339,478,816.16/19,853,588.41 - Step 6: Final answer
x = 11,329,958.84
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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.