Finding the Fourth Proportional to 35,484,486.17, 48,969,228.66 and 20,810,735.96
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Solution
The fourth proportional to 35,484,486.17, 48,969,228.66 and 20,810,735.96 is: 28,719,189.65
Step by Step Solution
- Step 1: Write the proportion equation
35,484,486.17 : 48,969,228.66 = 20,810,735.96 : x - Step 2: Convert to fraction form
35,484,486.17/48,969,228.66 = 20,810,735.96/x - Step 3: Cross multiply
35,484,486.17x = 48,969,228.66 × 20,810,735.96 - Step 4: Simplify right side
35,484,486.17x = 1,019,085,687,808,124.62 - Step 5: Solve for x
x = 1,019,085,687,808,124.62/35,484,486.17 - Step 6: Final answer
x = 28,719,189.65
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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.