Finding the Fourth Proportional to 29,132,625.84, 40,197,021.78 and 16,740,325.08
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Solution
The fourth proportional to 29,132,625.84, 40,197,021.78 and 16,740,325.08 is: 23,098,199.78
Step by Step Solution
- Step 1: Write the proportion equation
29,132,625.84 : 40,197,021.78 = 16,740,325.08 : x - Step 2: Convert to fraction form
29,132,625.84/40,197,021.78 = 16,740,325.08/x - Step 3: Cross multiply
29,132,625.84x = 40,197,021.78 × 16,740,325.08 - Step 4: Simplify right side
29,132,625.84x = 672,911,211,845,040.25 - Step 5: Solve for x
x = 672,911,211,845,040.25/29,132,625.84 - Step 6: Final answer
x = 23,098,199.78
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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.