Finding the Fourth Proportional to 29,274,220.74, 40,385,176.65 and 17,668,074.18
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Solution
The fourth proportional to 29,274,220.74, 40,385,176.65 and 17,668,074.18 is: 24,373,946.73
Step by Step Solution
- Step 1: Write the proportion equation
29,274,220.74 : 40,385,176.65 = 17,668,074.18 : x - Step 2: Convert to fraction form
29,274,220.74/40,385,176.65 = 17,668,074.18/x - Step 3: Cross multiply
29,274,220.74x = 40,385,176.65 × 17,668,074.18 - Step 4: Simplify right side
29,274,220.74x = 713,528,296,824,603.88 - Step 5: Solve for x
x = 713,528,296,824,603.88/29,274,220.74 - Step 6: Final answer
x = 24,373,946.73
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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.