Finding the Fourth Proportional to 16,220,549.20, 24,344,601.90 and 6,642,801.40
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Solution
The fourth proportional to 16,220,549.20, 24,344,601.90 and 6,642,801.40 is: 9,969,844.65
Step by Step Solution
- Step 1: Write the proportion equation
16,220,549.20 : 24,344,601.90 = 6,642,801.40 : x - Step 2: Convert to fraction form
16,220,549.20/24,344,601.90 = 6,642,801.40/x - Step 3: Cross multiply
16,220,549.20x = 24,344,601.90 × 6,642,801.40 - Step 4: Simplify right side
16,220,549.20x = 161,716,355,583,762.66 - Step 5: Solve for x
x = 161,716,355,583,762.66/16,220,549.20 - Step 6: Final answer
x = 9,969,844.65
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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.