Finding the Fourth Proportional to 19,659,843.66, 29,489,739.96 and 5,282,911.81
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Solution
The fourth proportional to 19,659,843.66, 29,489,739.96 and 5,282,911.81 is: 7,924,360.85
Step by Step Solution
- Step 1: Write the proportion equation
19,659,843.66 : 29,489,739.96 = 5,282,911.81 : x - Step 2: Convert to fraction form
19,659,843.66/29,489,739.96 = 5,282,911.81/x - Step 3: Cross multiply
19,659,843.66x = 29,489,739.96 × 5,282,911.81 - Step 4: Simplify right side
19,659,843.66x = 155,791,695,508,512.91 - Step 5: Solve for x
x = 155,791,695,508,512.91/19,659,843.66 - Step 6: Final answer
x = 7,924,360.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.