Finding the Fourth Proportional to 25,258,646.00, 34,854,329.97 and 18,646,751.68
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Solution
The fourth proportional to 25,258,646.00, 34,854,329.97 and 18,646,751.68 is: 25,730,596.79
Step by Step Solution
- Step 1: Write the proportion equation
25,258,646.00 : 34,854,329.97 = 18,646,751.68 : x - Step 2: Convert to fraction form
25,258,646.00/34,854,329.97 = 18,646,751.68/x - Step 3: Cross multiply
25,258,646.00x = 34,854,329.97 × 18,646,751.68 - Step 4: Simplify right side
25,258,646.00x = 649,920,035,836,236 - Step 5: Solve for x
x = 649,920,035,836,236/25,258,646.00 - Step 6: Final answer
x = 25,730,596.79
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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.