Finding the Fourth Proportional to 34,202,764.80, 51,260,601.60 and 13,985,164.80
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Solution
The fourth proportional to 34,202,764.80, 51,260,601.60 and 13,985,164.80 is: 20,959,941.84
Step by Step Solution
- Step 1: Write the proportion equation
34,202,764.80 : 51,260,601.60 = 13,985,164.80 : x - Step 2: Convert to fraction form
34,202,764.80/51,260,601.60 = 13,985,164.80/x - Step 3: Cross multiply
34,202,764.80x = 51,260,601.60 × 13,985,164.80 - Step 4: Simplify right side
34,202,764.80x = 716,887,961,123,143.75 - Step 5: Solve for x
x = 716,887,961,123,143.75/34,202,764.80 - Step 6: Final answer
x = 20,959,941.84
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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.