Finding the Fourth Proportional to 8,621,844.73, 12,933,767.64 and 2,865,092.11
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Solution
The fourth proportional to 8,621,844.73, 12,933,767.64 and 2,865,092.11 is: 4,297,970.65
Step by Step Solution
- Step 1: Write the proportion equation
8,621,844.73 : 12,933,767.64 = 2,865,092.11 : x - Step 2: Convert to fraction form
8,621,844.73/12,933,767.64 = 2,865,092.11/x - Step 3: Cross multiply
8,621,844.73x = 12,933,767.64 × 2,865,092.11 - Step 4: Simplify right side
8,621,844.73x = 37,056,435,596,347 - Step 5: Solve for x
x = 37,056,435,596,347/8,621,844.73 - Step 6: Final answer
x = 4,297,970.65
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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.