Finding the Fourth Proportional to 34,389,351.36, 47,437,597.44 and 21,489,900.48
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Solution
The fourth proportional to 34,389,351.36, 47,437,597.44 and 21,489,900.48 is: 29,643,747.49
Step by Step Solution
- Step 1: Write the proportion equation
34,389,351.36 : 47,437,597.44 = 21,489,900.48 : x - Step 2: Convert to fraction form
34,389,351.36/47,437,597.44 = 21,489,900.48/x - Step 3: Cross multiply
34,389,351.36x = 47,437,597.44 × 21,489,900.48 - Step 4: Simplify right side
34,389,351.36x = 1,019,429,247,995,902.75 - Step 5: Solve for x
x = 1,019,429,247,995,902.75/34,389,351.36 - Step 6: Final answer
x = 29,643,747.49
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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.