Finding the Fourth Proportional to 29,586,538.77, 40,829,478.83 and 16,533,797.70
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Solution
The fourth proportional to 29,586,538.77, 40,829,478.83 and 16,533,797.70 is: 22,816,671.74
Step by Step Solution
- Step 1: Write the proportion equation
29,586,538.77 : 40,829,478.83 = 16,533,797.70 : x - Step 2: Convert to fraction form
29,586,538.77/40,829,478.83 = 16,533,797.70/x - Step 3: Cross multiply
29,586,538.77x = 40,829,478.83 × 16,533,797.70 - Step 4: Simplify right side
29,586,538.77x = 675,066,343,242,094.25 - Step 5: Solve for x
x = 675,066,343,242,094.25/29,586,538.77 - Step 6: Final answer
x = 22,816,671.74
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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.