Finding the Fourth Proportional to 11,391,555.96, 17,075,436.66 and 6,842,595.96
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Solution
The fourth proportional to 11,391,555.96, 17,075,436.66 and 6,842,595.96 is: 10,256,747.57
Step by Step Solution
- Step 1: Write the proportion equation
11,391,555.96 : 17,075,436.66 = 6,842,595.96 : x - Step 2: Convert to fraction form
11,391,555.96/17,075,436.66 = 6,842,595.96/x - Step 3: Cross multiply
11,391,555.96x = 17,075,436.66 × 6,842,595.96 - Step 4: Simplify right side
11,391,555.96x = 116,840,313,904,951.89 - Step 5: Solve for x
x = 116,840,313,904,951.89/11,391,555.96 - Step 6: Final answer
x = 10,256,747.57
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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.