Finding the Fourth Proportional to 18,156,778.14, 27,229,852.80 and 14,953,960.38
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Solution
The fourth proportional to 18,156,778.14, 27,229,852.80 and 14,953,960.38 is: 22,426,563.61
Step by Step Solution
- Step 1: Write the proportion equation
18,156,778.14 : 27,229,852.80 = 14,953,960.38 : x - Step 2: Convert to fraction form
18,156,778.14/27,229,852.80 = 14,953,960.38/x - Step 3: Cross multiply
18,156,778.14x = 27,229,852.80 × 14,953,960.38 - Step 4: Simplify right side
18,156,778.14x = 407,194,139,924,432.12 - Step 5: Solve for x
x = 407,194,139,924,432.12/18,156,778.14 - Step 6: Final answer
x = 22,426,563.61
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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.