Finding the Fourth Proportional to 14,777,783.84, 20,393,688.12 and 8,251,192.64
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Solution
The fourth proportional to 14,777,783.84, 20,393,688.12 and 8,251,192.64 is: 11,386,839.27
Step by Step Solution
- Step 1: Write the proportion equation
14,777,783.84 : 20,393,688.12 = 8,251,192.64 : x - Step 2: Convert to fraction form
14,777,783.84/20,393,688.12 = 8,251,192.64/x - Step 3: Cross multiply
14,777,783.84x = 20,393,688.12 × 8,251,192.64 - Step 4: Simplify right side
14,777,783.84x = 168,272,249,318,199.44 - Step 5: Solve for x
x = 168,272,249,318,199.44/14,777,783.84 - Step 6: Final answer
x = 11,386,839.27
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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.