Finding the Fourth Proportional to 18,506,626.34, 25,539,942.47 and 10,246,688.80
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Solution
The fourth proportional to 18,506,626.34, 25,539,942.47 and 10,246,688.80 is: 14,140,872.44
Step by Step Solution
- Step 1: Write the proportion equation
18,506,626.34 : 25,539,942.47 = 10,246,688.80 : x - Step 2: Convert to fraction form
18,506,626.34/25,539,942.47 = 10,246,688.80/x - Step 3: Cross multiply
18,506,626.34x = 25,539,942.47 × 10,246,688.80 - Step 4: Simplify right side
18,506,626.34x = 261,699,842,344,910.03 - Step 5: Solve for x
x = 261,699,842,344,910.03/18,506,626.34 - Step 6: Final answer
x = 14,140,872.44
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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.