Finding the Fourth Proportional to 8,621,850.74, 12,933,776.64 and 2,865,098.12
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Solution
The fourth proportional to 8,621,850.74, 12,933,776.64 and 2,865,098.12 is: 4,297,979.66
Step by Step Solution
- Step 1: Write the proportion equation
8,621,850.74 : 12,933,776.64 = 2,865,098.12 : x - Step 2: Convert to fraction form
8,621,850.74/12,933,776.64 = 2,865,098.12/x - Step 3: Cross multiply
8,621,850.74x = 12,933,776.64 × 2,865,098.12 - Step 4: Simplify right side
8,621,850.74x = 37,056,539,071,095.04 - Step 5: Solve for x
x = 37,056,539,071,095.04/8,621,850.74 - Step 6: Final answer
x = 4,297,979.66
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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.