Finding the Fourth Proportional to 48,465,438.08, 66,882,495.52 and 26,439,408.32
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Solution
The fourth proportional to 48,465,438.08, 66,882,495.52 and 26,439,408.32 is: 36,486,487.66
Step by Step Solution
- Step 1: Write the proportion equation
48,465,438.08 : 66,882,495.52 = 26,439,408.32 : x - Step 2: Convert to fraction form
48,465,438.08/66,882,495.52 = 26,439,408.32/x - Step 3: Cross multiply
48,465,438.08x = 66,882,495.52 × 26,439,408.32 - Step 4: Simplify right side
48,465,438.08x = 1,768,333,608,513,850.75 - Step 5: Solve for x
x = 1,768,333,608,513,850.75/48,465,438.08 - Step 6: Final answer
x = 36,486,487.66
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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.