Finding the Fourth Proportional to 18,506,467.74, 25,539,723.72 and 10,246,530.21
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Solution
The fourth proportional to 18,506,467.74, 25,539,723.72 and 10,246,530.21 is: 14,140,653.65
Step by Step Solution
- Step 1: Write the proportion equation
18,506,467.74 : 25,539,723.72 = 10,246,530.21 : x - Step 2: Convert to fraction form
18,506,467.74/25,539,723.72 = 10,246,530.21/x - Step 3: Cross multiply
18,506,467.74x = 25,539,723.72 × 10,246,530.21 - Step 4: Simplify right side
18,506,467.74x = 261,693,550,652,033.59 - Step 5: Solve for x
x = 261,693,550,652,033.59/18,506,467.74 - Step 6: Final answer
x = 14,140,653.65
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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.