Finding the Fourth Proportional to 26,201,398.80, 39,307,627.80 and 8,252,317.20
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Solution
The fourth proportional to 26,201,398.80, 39,307,627.80 and 8,252,317.20 is: 12,380,217.39
Step by Step Solution
- Step 1: Write the proportion equation
26,201,398.80 : 39,307,627.80 = 8,252,317.20 : x - Step 2: Convert to fraction form
26,201,398.80/39,307,627.80 = 8,252,317.20/x - Step 3: Cross multiply
26,201,398.80x = 39,307,627.80 × 8,252,317.20 - Step 4: Simplify right side
26,201,398.80x = 324,379,012,985,138.12 - Step 5: Solve for x
x = 324,379,012,985,138.12/26,201,398.80 - Step 6: Final answer
x = 12,380,217.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.