Finding the Fourth Proportional to 34,935,869.16, 48,211,690.68 and 20,260,236.69
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Solution
The fourth proportional to 34,935,869.16, 48,211,690.68 and 20,260,236.69 is: 27,959,237.54
Step by Step Solution
- Step 1: Write the proportion equation
34,935,869.16 : 48,211,690.68 = 20,260,236.69 : x - Step 2: Convert to fraction form
34,935,869.16/48,211,690.68 = 20,260,236.69/x - Step 3: Cross multiply
34,935,869.16x = 48,211,690.68 × 20,260,236.69 - Step 4: Simplify right side
34,935,869.16x = 976,780,264,401,867.12 - Step 5: Solve for x
x = 976,780,264,401,867.12/34,935,869.16 - Step 6: Final answer
x = 27,959,237.54
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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.