Finding the Fourth Proportional to 31,934,571.42, 44,069,726.79 and 17,250,237.66
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Solution
The fourth proportional to 31,934,571.42, 44,069,726.79 and 17,250,237.66 is: 23,805,337.82
Step by Step Solution
- Step 1: Write the proportion equation
31,934,571.42 : 44,069,726.79 = 17,250,237.66 : x - Step 2: Convert to fraction form
31,934,571.42/44,069,726.79 = 17,250,237.66/x - Step 3: Cross multiply
31,934,571.42x = 44,069,726.79 × 17,250,237.66 - Step 4: Simplify right side
31,934,571.42x = 760,213,260,738,768.88 - Step 5: Solve for x
x = 760,213,260,738,768.88/31,934,571.42 - Step 6: Final answer
x = 23,805,337.82
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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.