Finding the Fourth Proportional to 16,391,204.70, 24,586,807.05 and 12,409,892.70
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Solution
The fourth proportional to 16,391,204.70, 24,586,807.05 and 12,409,892.70 is: 18,614,839.05
Step by Step Solution
- Step 1: Write the proportion equation
16,391,204.70 : 24,586,807.05 = 12,409,892.70 : x - Step 2: Convert to fraction form
16,391,204.70/24,586,807.05 = 12,409,892.70/x - Step 3: Cross multiply
16,391,204.70x = 24,586,807.05 × 12,409,892.70 - Step 4: Simplify right side
16,391,204.70x = 305,119,637,326,103.50 - Step 5: Solve for x
x = 305,119,637,326,103.50/16,391,204.70 - Step 6: Final answer
x = 18,614,839.05
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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.