Finding the Fourth Proportional to 16,416,519.48, 22,654,749.42 and 9,173,181.24
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Solution
The fourth proportional to 16,416,519.48, 22,654,749.42 and 9,173,181.24 is: 12,658,963.59
Step by Step Solution
- Step 1: Write the proportion equation
16,416,519.48 : 22,654,749.42 = 9,173,181.24 : x - Step 2: Convert to fraction form
16,416,519.48/22,654,749.42 = 9,173,181.24/x - Step 3: Cross multiply
16,416,519.48x = 22,654,749.42 × 9,173,181.24 - Step 4: Simplify right side
16,416,519.48x = 207,816,122,376,444.91 - Step 5: Solve for x
x = 207,816,122,376,444.91/16,416,519.48 - Step 6: Final answer
x = 12,658,963.59
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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.