Finding the Fourth Proportional to 29,145,467.70, 43,718,201.55 and 8,948,085.30
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Solution
The fourth proportional to 29,145,467.70, 43,718,201.55 and 8,948,085.30 is: 13,422,127.95
Step by Step Solution
- Step 1: Write the proportion equation
29,145,467.70 : 43,718,201.55 = 8,948,085.30 : x - Step 2: Convert to fraction form
29,145,467.70/43,718,201.55 = 8,948,085.30/x - Step 3: Cross multiply
29,145,467.70x = 43,718,201.55 × 8,948,085.30 - Step 4: Simplify right side
29,145,467.70x = 391,194,196,631,992.25 - Step 5: Solve for x
x = 391,194,196,631,992.25/29,145,467.70 - Step 6: Final answer
x = 13,422,127.95
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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.