Finding the Fourth Proportional to 43,472,491.36, 65,204,738.86 and 14,715,340
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Solution
The fourth proportional to 43,472,491.36, 65,204,738.86 and 14,715,340 is: 22,071,656.63
Step by Step Solution
- Step 1: Write the proportion equation
43,472,491.36 : 65,204,738.86 = 14,715,340 : x - Step 2: Convert to fraction form
43,472,491.36/65,204,738.86 = 14,715,340/x - Step 3: Cross multiply
43,472,491.36x = 65,204,738.86 × 14,715,340 - Step 4: Simplify right side
43,472,491.36x = 959,509,901,936,112.38 - Step 5: Solve for x
x = 959,509,901,936,112.38/43,472,491.36 - Step 6: Final answer
x = 22,071,656.63
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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.