Finding the Fourth Proportional to 36,146,988.86, 49,881,482.37 and 19,626,756.23
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Solution
The fourth proportional to 36,146,988.86, 49,881,482.37 and 19,626,756.23 is: 27,084,183.94
Step by Step Solution
- Step 1: Write the proportion equation
36,146,988.86 : 49,881,482.37 = 19,626,756.23 : x - Step 2: Convert to fraction form
36,146,988.86/49,881,482.37 = 19,626,756.23/x - Step 3: Cross multiply
36,146,988.86x = 49,881,482.37 × 19,626,756.23 - Step 4: Simplify right side
36,146,988.86x = 979,011,694,991,736.38 - Step 5: Solve for x
x = 979,011,694,991,736.38/36,146,988.86 - Step 6: Final answer
x = 27,084,183.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.