Finding the Fourth Proportional to 53,242,076.63, 79,871,939.49 and 18,689,513.24
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Solution
The fourth proportional to 53,242,076.63, 79,871,939.49 and 18,689,513.24 is: 28,037,367.53
Step by Step Solution
- Step 1: Write the proportion equation
53,242,076.63 : 79,871,939.49 = 18,689,513.24 : x - Step 2: Convert to fraction form
53,242,076.63/79,871,939.49 = 18,689,513.24/x - Step 3: Cross multiply
53,242,076.63x = 79,871,939.49 × 18,689,513.24 - Step 4: Simplify right side
53,242,076.63x = 1,492,767,670,203,474 - Step 5: Solve for x
x = 1,492,767,670,203,474/53,242,076.63 - Step 6: Final answer
x = 28,037,367.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.