Finding the Fourth Proportional to 49,773,771.42, 74,660,307.21 and 13,871,979.42
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Solution
The fourth proportional to 49,773,771.42, 74,660,307.21 and 13,871,979.42 is: 20,807,871.61
Step by Step Solution
- Step 1: Write the proportion equation
49,773,771.42 : 74,660,307.21 = 13,871,979.42 : x - Step 2: Convert to fraction form
49,773,771.42/74,660,307.21 = 13,871,979.42/x - Step 3: Cross multiply
49,773,771.42x = 74,660,307.21 × 13,871,979.42 - Step 4: Simplify right side
49,773,771.42x = 1,035,686,245,107,997.50 - Step 5: Solve for x
x = 1,035,686,245,107,997.50/49,773,771.42 - Step 6: Final answer
x = 20,807,871.61
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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.