Finding the Fourth Proportional to 18,506,467.94, 25,539,723.98 and 10,246,530.40
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Solution
The fourth proportional to 18,506,467.94, 25,539,723.98 and 10,246,530.40 is: 14,140,653.91
Step by Step Solution
- Step 1: Write the proportion equation
18,506,467.94 : 25,539,723.98 = 10,246,530.40 : x - Step 2: Convert to fraction form
18,506,467.94/25,539,723.98 = 10,246,530.40/x - Step 3: Cross multiply
18,506,467.94x = 25,539,723.98 × 10,246,530.40 - Step 4: Simplify right side
18,506,467.94x = 261,693,558,130,446.06 - Step 5: Solve for x
x = 261,693,558,130,446.06/18,506,467.94 - Step 6: Final answer
x = 14,140,653.91
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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.