Finding the Fourth Proportional to 9,840,129.40, 14,762,267.70 and 4,157,428.60
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Solution
The fourth proportional to 9,840,129.40, 14,762,267.70 and 4,157,428.60 is: 6,237,018.99
Step by Step Solution
- Step 1: Write the proportion equation
9,840,129.40 : 14,762,267.70 = 4,157,428.60 : x - Step 2: Convert to fraction form
9,840,129.40/14,762,267.70 = 4,157,428.60/x - Step 3: Cross multiply
9,840,129.40x = 14,762,267.70 × 4,157,428.60 - Step 4: Simplify right side
9,840,129.40x = 61,373,073,936,836.22 - Step 5: Solve for x
x = 61,373,073,936,836.22/9,840,129.40 - Step 6: Final answer
x = 6,237,018.99
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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.