Finding the Fourth Proportional to 34,331,764.50, 47,377,876.12 and 18,650,799.36
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Solution
The fourth proportional to 34,331,764.50, 47,377,876.12 and 18,650,799.36 is: 25,738,125.45
Step by Step Solution
- Step 1: Write the proportion equation
34,331,764.50 : 47,377,876.12 = 18,650,799.36 : x - Step 2: Convert to fraction form
34,331,764.50/47,377,876.12 = 18,650,799.36/x - Step 3: Cross multiply
34,331,764.50x = 47,377,876.12 × 18,650,799.36 - Step 4: Simplify right side
34,331,764.50x = 883,635,261,617,055.25 - Step 5: Solve for x
x = 883,635,261,617,055.25/34,331,764.50 - Step 6: Final answer
x = 25,738,125.45
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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.