Finding the Fourth Proportional to 29,220,627.12, 40,325,653.84 and 16,167,673.68
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Solution
The fourth proportional to 29,220,627.12, 40,325,653.84 and 16,167,673.68 is: 22,312,047.22
Step by Step Solution
- Step 1: Write the proportion equation
29,220,627.12 : 40,325,653.84 = 16,167,673.68 : x - Step 2: Convert to fraction form
29,220,627.12/40,325,653.84 = 16,167,673.68/x - Step 3: Cross multiply
29,220,627.12x = 40,325,653.84 × 16,167,673.68 - Step 4: Simplify right side
29,220,627.12x = 651,972,012,217,759 - Step 5: Solve for x
x = 651,972,012,217,759/29,220,627.12 - Step 6: Final answer
x = 22,312,047.22
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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.