Finding the Fourth Proportional to 8,143,096.42, 11,237,432.23 and 4,421,894.19
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Solution
The fourth proportional to 8,143,096.42, 11,237,432.23 and 4,421,894.19 is: 6,102,191.81
Step by Step Solution
- Step 1: Write the proportion equation
8,143,096.42 : 11,237,432.23 = 4,421,894.19 : x - Step 2: Convert to fraction form
8,143,096.42/11,237,432.23 = 4,421,894.19/x - Step 3: Cross multiply
8,143,096.42x = 11,237,432.23 × 4,421,894.19 - Step 4: Simplify right side
8,143,096.42x = 49,690,736,251,742.74 - Step 5: Solve for x
x = 49,690,736,251,742.74/8,143,096.42 - Step 6: Final answer
x = 6,102,191.81
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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.