Finding the Fourth Proportional to 34,320,249.45, 47,364,865.11 and 19,438,220.70
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Solution
The fourth proportional to 34,320,249.45, 47,364,865.11 and 19,438,220.70 is: 26,826,398.88
Step by Step Solution
- Step 1: Write the proportion equation
34,320,249.45 : 47,364,865.11 = 19,438,220.70 : x - Step 2: Convert to fraction form
34,320,249.45/47,364,865.11 = 19,438,220.70/x - Step 3: Cross multiply
34,320,249.45x = 47,364,865.11 × 19,438,220.70 - Step 4: Simplify right side
34,320,249.45x = 920,688,701,433,909.75 - Step 5: Solve for x
x = 920,688,701,433,909.75/34,320,249.45 - Step 6: Final answer
x = 26,826,398.88
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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.