Finding the Fourth Proportional to 31,602,253.84, 47,403,380.87 and 8,883,151.09
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Solution
The fourth proportional to 31,602,253.84, 47,403,380.87 and 8,883,151.09 is: 13,324,726.66
Step by Step Solution
- Step 1: Write the proportion equation
31,602,253.84 : 47,403,380.87 = 8,883,151.09 : x - Step 2: Convert to fraction form
31,602,253.84/47,403,380.87 = 8,883,151.09/x - Step 3: Cross multiply
31,602,253.84x = 47,403,380.87 × 8,883,151.09 - Step 4: Simplify right side
31,602,253.84x = 421,091,394,332,069.12 - Step 5: Solve for x
x = 421,091,394,332,069.12/31,602,253.84 - Step 6: Final answer
x = 13,324,726.66
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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.