Finding the Fourth Proportional to 8,318,303.36, 12,475,568.72 and 3,766,347.18
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Solution
The fourth proportional to 8,318,303.36, 12,475,568.72 and 3,766,347.18 is: 5,648,666.69
Step by Step Solution
- Step 1: Write the proportion equation
8,318,303.36 : 12,475,568.72 = 3,766,347.18 : x - Step 2: Convert to fraction form
8,318,303.36/12,475,568.72 = 3,766,347.18/x - Step 3: Cross multiply
8,318,303.36x = 12,475,568.72 × 3,766,347.18 - Step 4: Simplify right side
8,318,303.36x = 46,987,323,067,468.21 - Step 5: Solve for x
x = 46,987,323,067,468.21/8,318,303.36 - Step 6: Final answer
x = 5,648,666.69
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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.