Finding the Fourth Proportional to 34,449,976.50, 47,540,941.45 and 18,980,061.14
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Solution
The fourth proportional to 34,449,976.50, 47,540,941.45 and 18,980,061.14 is: 26,192,469.99
Step by Step Solution
- Step 1: Write the proportion equation
34,449,976.50 : 47,540,941.45 = 18,980,061.14 : x - Step 2: Convert to fraction form
34,449,976.50/47,540,941.45 = 18,980,061.14/x - Step 3: Cross multiply
34,449,976.50x = 47,540,941.45 × 18,980,061.14 - Step 4: Simplify right side
34,449,976.50x = 902,329,975,552,325.25 - Step 5: Solve for x
x = 902,329,975,552,325.25/34,449,976.50 - Step 6: Final answer
x = 26,192,469.99
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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.