Finding the Fourth Proportional to 29,798,816.83, 41,121,818.07 and 16,745,887.76
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Solution
The fourth proportional to 29,798,816.83, 41,121,818.07 and 16,745,887.76 is: 23,109,016.50
Step by Step Solution
- Step 1: Write the proportion equation
29,798,816.83 : 41,121,818.07 = 16,745,887.76 : x - Step 2: Convert to fraction form
29,798,816.83/41,121,818.07 = 16,745,887.76/x - Step 3: Cross multiply
29,798,816.83x = 41,121,818.07 × 16,745,887.76 - Step 4: Simplify right side
29,798,816.83x = 688,621,349,618,953.62 - Step 5: Solve for x
x = 688,621,349,618,953.62/29,798,816.83 - Step 6: Final answer
x = 23,109,016.50
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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.