Finding the Fourth Proportional to 35,130,471.08, 48,483,672.96 and 20,246,317.76
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Solution
The fourth proportional to 35,130,471.08, 48,483,672.96 and 20,246,317.76 is: 27,942,006.43
Step by Step Solution
- Step 1: Write the proportion equation
35,130,471.08 : 48,483,672.96 = 20,246,317.76 : x - Step 2: Convert to fraction form
35,130,471.08/48,483,672.96 = 20,246,317.76/x - Step 3: Cross multiply
35,130,471.08x = 48,483,672.96 × 20,246,317.76 - Step 4: Simplify right side
35,130,471.08x = 981,615,848,920,079.88 - Step 5: Solve for x
x = 981,615,848,920,079.88/35,130,471.08 - Step 6: Final answer
x = 27,942,006.43
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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.