Finding the Fourth Proportional to 13,113,052.44, 18,107,432.68 and 8,226,674.52
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Solution
The fourth proportional to 13,113,052.44, 18,107,432.68 and 8,226,674.52 is: 11,359,975.55
Step by Step Solution
- Step 1: Write the proportion equation
13,113,052.44 : 18,107,432.68 = 8,226,674.52 : x - Step 2: Convert to fraction form
13,113,052.44/18,107,432.68 = 8,226,674.52/x - Step 3: Cross multiply
13,113,052.44x = 18,107,432.68 × 8,226,674.52 - Step 4: Simplify right side
13,113,052.44x = 148,963,955,051,171.31 - Step 5: Solve for x
x = 148,963,955,051,171.31/13,113,052.44 - Step 6: Final answer
x = 11,359,975.55
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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.