Finding the Fourth Proportional to 31,797,514.80, 47,696,272.20 and 29,671,750.80
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Solution
The fourth proportional to 31,797,514.80, 47,696,272.20 and 29,671,750.80 is: 44,507,626.20
Step by Step Solution
- Step 1: Write the proportion equation
31,797,514.80 : 47,696,272.20 = 29,671,750.80 : x - Step 2: Convert to fraction form
31,797,514.80/47,696,272.20 = 29,671,750.80/x - Step 3: Cross multiply
31,797,514.80x = 47,696,272.20 × 29,671,750.80 - Step 4: Simplify right side
31,797,514.80x = 1,415,231,902,807,368 - Step 5: Solve for x
x = 1,415,231,902,807,368/31,797,514.80 - Step 6: Final answer
x = 44,507,626.20
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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.