Finding the Fourth Proportional to 34,163,596.28, 47,145,762.86 and 18,693,680.96
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Solution
The fourth proportional to 34,163,596.28, 47,145,762.86 and 18,693,680.96 is: 25,797,279.72
Step by Step Solution
- Step 1: Write the proportion equation
34,163,596.28 : 47,145,762.86 = 18,693,680.96 : x - Step 2: Convert to fraction form
34,163,596.28/47,145,762.86 = 18,693,680.96/x - Step 3: Cross multiply
34,163,596.28x = 47,145,762.86 × 18,693,680.96 - Step 4: Simplify right side
34,163,596.28x = 881,327,849,520,657.12 - Step 5: Solve for x
x = 881,327,849,520,657.12/34,163,596.28 - Step 6: Final answer
x = 25,797,279.72
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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.