Finding the Fourth Proportional to 16,502,176.51, 22,771,863.53 and 9,159,431.99
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Solution
The fourth proportional to 16,502,176.51, 22,771,863.53 and 9,159,431.99 is: 12,639,383.36
Step by Step Solution
- Step 1: Write the proportion equation
16,502,176.51 : 22,771,863.53 = 9,159,431.99 : x - Step 2: Convert to fraction form
16,502,176.51/22,771,863.53 = 9,159,431.99/x - Step 3: Cross multiply
16,502,176.51x = 22,771,863.53 × 9,159,431.99 - Step 4: Simplify right side
16,502,176.51x = 208,577,335,163,287.69 - Step 5: Solve for x
x = 208,577,335,163,287.69/16,502,176.51 - Step 6: Final answer
x = 12,639,383.36
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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.