Finding the Fourth Proportional to 36,386,782.41, 50,212,441.28 and 19,866,602.67
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Solution
The fourth proportional to 36,386,782.41, 50,212,441.28 and 19,866,602.67 is: 27,415,191.83
Step by Step Solution
- Step 1: Write the proportion equation
36,386,782.41 : 50,212,441.28 = 19,866,602.67 : x - Step 2: Convert to fraction form
36,386,782.41/50,212,441.28 = 19,866,602.67/x - Step 3: Cross multiply
36,386,782.41x = 50,212,441.28 × 19,866,602.67 - Step 4: Simplify right side
36,386,782.41x = 997,550,619,901,133.25 - Step 5: Solve for x
x = 997,550,619,901,133.25/36,386,782.41 - Step 6: Final answer
x = 27,415,191.83
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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.