Finding the Fourth Proportional to 29,581,377.90, 40,822,215.27 and 16,528,647.08
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Solution
The fourth proportional to 29,581,377.90, 40,822,215.27 and 16,528,647.08 is: 22,809,484.78
Step by Step Solution
- Step 1: Write the proportion equation
29,581,377.90 : 40,822,215.27 = 16,528,647.08 : x - Step 2: Convert to fraction form
29,581,377.90/40,822,215.27 = 16,528,647.08/x - Step 3: Cross multiply
29,581,377.90x = 40,822,215.27 × 16,528,647.08 - Step 4: Simplify right side
29,581,377.90x = 674,735,989,017,505.88 - Step 5: Solve for x
x = 674,735,989,017,505.88/29,581,377.90 - Step 6: Final answer
x = 22,809,484.78
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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.