Finding the Fourth Proportional to 35,325,659.82, 48,742,265.25 and 20,638,489.53
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Solution
The fourth proportional to 35,325,659.82, 48,742,265.25 and 20,638,489.53 is: 28,476,941.02
Step by Step Solution
- Step 1: Write the proportion equation
35,325,659.82 : 48,742,265.25 = 20,638,489.53 : x - Step 2: Convert to fraction form
35,325,659.82/48,742,265.25 = 20,638,489.53/x - Step 3: Cross multiply
35,325,659.82x = 48,742,265.25 × 20,638,489.53 - Step 4: Simplify right side
35,325,659.82x = 1,005,966,731,030,607.88 - Step 5: Solve for x
x = 1,005,966,731,030,607.88/35,325,659.82 - Step 6: Final answer
x = 28,476,941.02
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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.