Finding the Fourth Proportional to 34,372,245.63, 47,434,946.25 and 19,690,749.39
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Solution
The fourth proportional to 34,372,245.63, 47,434,946.25 and 19,690,749.39 is: 27,173,948.68
Step by Step Solution
- Step 1: Write the proportion equation
34,372,245.63 : 47,434,946.25 = 19,690,749.39 : x - Step 2: Convert to fraction form
34,372,245.63/47,434,946.25 = 19,690,749.39/x - Step 3: Cross multiply
34,372,245.63x = 47,434,946.25 × 19,690,749.39 - Step 4: Simplify right side
34,372,245.63x = 934,029,638,936,870.38 - Step 5: Solve for x
x = 934,029,638,936,870.38/34,372,245.63 - Step 6: Final answer
x = 27,173,948.68
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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.