Finding the Fourth Proportional to 18,294,562.48, 25,252,149.60 and 11,768,192.08
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Solution
The fourth proportional to 18,294,562.48, 25,252,149.60 and 11,768,192.08 is: 16,243,741.67
Step by Step Solution
- Step 1: Write the proportion equation
18,294,562.48 : 25,252,149.60 = 11,768,192.08 : x - Step 2: Convert to fraction form
18,294,562.48/25,252,149.60 = 11,768,192.08/x - Step 3: Cross multiply
18,294,562.48x = 25,252,149.60 × 11,768,192.08 - Step 4: Simplify right side
18,294,562.48x = 297,172,146,925,695.19 - Step 5: Solve for x
x = 297,172,146,925,695.19/18,294,562.48 - Step 6: Final answer
x = 16,243,741.67
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1.5x scale
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.