Finding the Fourth Proportional to 15,299,074.80, 22,948,612.20 and 5,201,695.80
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Solution
The fourth proportional to 15,299,074.80, 22,948,612.20 and 5,201,695.80 is: 7,802,543.70
Step by Step Solution
- Step 1: Write the proportion equation
15,299,074.80 : 22,948,612.20 = 5,201,695.80 : x - Step 2: Convert to fraction form
15,299,074.80/22,948,612.20 = 5,201,695.80/x - Step 3: Cross multiply
15,299,074.80x = 22,948,612.20 × 5,201,695.80 - Step 4: Simplify right side
15,299,074.80x = 119,371,699,696,568.75 - Step 5: Solve for x
x = 119,371,699,696,568.75/15,299,074.80 - Step 6: Final answer
x = 7,802,543.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.