Finding the Fourth Proportional to 29,720,713.18, 41,019,067.36 and 18,125,002.80
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Solution
The fourth proportional to 29,720,713.18, 41,019,067.36 and 18,125,002.80 is: 25,015,237.90
Step by Step Solution
- Step 1: Write the proportion equation
29,720,713.18 : 41,019,067.36 = 18,125,002.80 : x - Step 2: Convert to fraction form
29,720,713.18/41,019,067.36 = 18,125,002.80/x - Step 3: Cross multiply
29,720,713.18x = 41,019,067.36 × 18,125,002.80 - Step 4: Simplify right side
29,720,713.18x = 743,470,710,753,388.62 - Step 5: Solve for x
x = 743,470,710,753,388.62/29,720,713.18 - Step 6: Final answer
x = 25,015,237.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.