Finding the Fourth Proportional to 12,238,274.70, 18,357,412.05 and 5,860,982.70
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Solution
The fourth proportional to 12,238,274.70, 18,357,412.05 and 5,860,982.70 is: 8,791,474.05
Step by Step Solution
- Step 1: Write the proportion equation
12,238,274.70 : 18,357,412.05 = 5,860,982.70 : x - Step 2: Convert to fraction form
12,238,274.70/18,357,412.05 = 5,860,982.70/x - Step 3: Cross multiply
12,238,274.70x = 18,357,412.05 × 5,860,982.70 - Step 4: Simplify right side
12,238,274.70x = 107,592,474,441,821.55 - Step 5: Solve for x
x = 107,592,474,441,821.55/12,238,274.70 - Step 6: Final answer
x = 8,791,474.05
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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.