Finding the Fourth Proportional to 19,425,644.70, 27,235,715.70 and 19,425,644.70
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Solution
The fourth proportional to 19,425,644.70, 27,235,715.70 and 19,425,644.70 is: 27,235,715.70
Step by Step Solution
- Step 1: Write the proportion equation
19,425,644.70 : 27,235,715.70 = 19,425,644.70 : x - Step 2: Convert to fraction form
19,425,644.70/27,235,715.70 = 19,425,644.70/x - Step 3: Cross multiply
19,425,644.70x = 27,235,715.70 × 19,425,644.70 - Step 4: Simplify right side
19,425,644.70x = 529,071,336,338,411.75 - Step 5: Solve for x
x = 529,071,336,338,411.75/19,425,644.70 - Step 6: Final answer
x = 27,235,715.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.