Finding the Fourth Proportional to 10,474,363.40, 14,452,455.19 and 6,122,607.92
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Solution
The fourth proportional to 10,474,363.40, 14,452,455.19 and 6,122,607.92 is: 8,447,932.66
Step by Step Solution
- Step 1: Write the proportion equation
10,474,363.40 : 14,452,455.19 = 6,122,607.92 : x - Step 2: Convert to fraction form
10,474,363.40/14,452,455.19 = 6,122,607.92/x - Step 3: Cross multiply
10,474,363.40x = 14,452,455.19 × 6,122,607.92 - Step 4: Simplify right side
10,474,363.40x = 88,486,716,609,739.09 - Step 5: Solve for x
x = 88,486,716,609,739.09/10,474,363.40 - Step 6: Final answer
x = 8,447,932.66
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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.