Finding the Fourth Proportional to 9,858,543.40, 14,762,931.90 and 6,474,428.20
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Solution
The fourth proportional to 9,858,543.40, 14,762,931.90 and 6,474,428.20 is: 9,695,300.69
Step by Step Solution
- Step 1: Write the proportion equation
9,858,543.40 : 14,762,931.90 = 6,474,428.20 : x - Step 2: Convert to fraction form
9,858,543.40/14,762,931.90 = 6,474,428.20/x - Step 3: Cross multiply
9,858,543.40x = 14,762,931.90 × 6,474,428.20 - Step 4: Simplify right side
9,858,543.40x = 95,581,542,608,039.58 - Step 5: Solve for x
x = 95,581,542,608,039.58/9,858,543.40 - Step 6: Final answer
x = 9,695,300.69
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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.