Finding the Fourth Proportional to 17,485,650.64, 24,136,844.70 and 13,147,334.92
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Solution
The fourth proportional to 17,485,650.64, 24,136,844.70 and 13,147,334.92 is: 18,148,319.88
Step by Step Solution
- Step 1: Write the proportion equation
17,485,650.64 : 24,136,844.70 = 13,147,334.92 : x - Step 2: Convert to fraction form
17,485,650.64/24,136,844.70 = 13,147,334.92/x - Step 3: Cross multiply
17,485,650.64x = 24,136,844.70 × 13,147,334.92 - Step 4: Simplify right side
17,485,650.64x = 317,335,181,182,926.94 - Step 5: Solve for x
x = 317,335,181,182,926.94/17,485,650.64 - Step 6: Final answer
x = 18,148,319.88
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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.