Finding the Fourth Proportional to 34,285,438.52, 47,310,777.86 and 20,344,391
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Solution
The fourth proportional to 34,285,438.52, 47,310,777.86 and 20,344,391 is: 28,073,403.90
Step by Step Solution
- Step 1: Write the proportion equation
34,285,438.52 : 47,310,777.86 = 20,344,391 : x - Step 2: Convert to fraction form
34,285,438.52/47,310,777.86 = 20,344,391/x - Step 3: Cross multiply
34,285,438.52x = 47,310,777.86 × 20,344,391 - Step 4: Simplify right side
34,285,438.52x = 962,508,963,297,983.25 - Step 5: Solve for x
x = 962,508,963,297,983.25/34,285,438.52 - Step 6: Final answer
x = 28,073,403.90
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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.