Finding the Fourth Proportional to 8,271,564, 12,408,235.92 and 3,479,740.80
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Solution
The fourth proportional to 8,271,564, 12,408,235.92 and 3,479,740.80 is: 5,219,985.58
Step by Step Solution
- Step 1: Write the proportion equation
8,271,564 : 12,408,235.92 = 3,479,740.80 : x - Step 2: Convert to fraction form
8,271,564/12,408,235.92 = 3,479,740.80/x - Step 3: Cross multiply
8,271,564x = 12,408,235.92 × 3,479,740.80 - Step 4: Simplify right side
8,271,564x = 43,177,444,786,849.53 - Step 5: Solve for x
x = 43,177,444,786,849.53/8,271,564 - Step 6: Final answer
x = 5,219,985.58
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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.