Finding the Fourth Proportional to 53,242,087.14, 79,871,955.24 and 18,689,523.76
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Solution
The fourth proportional to 53,242,087.14, 79,871,955.24 and 18,689,523.76 is: 28,037,383.31
Step by Step Solution
- Step 1: Write the proportion equation
53,242,087.14 : 79,871,955.24 = 18,689,523.76 : x - Step 2: Convert to fraction form
53,242,087.14/79,871,955.24 = 18,689,523.76/x - Step 3: Cross multiply
53,242,087.14x = 79,871,955.24 × 18,689,523.76 - Step 4: Simplify right side
53,242,087.14x = 1,492,768,805,215,636.50 - Step 5: Solve for x
x = 1,492,768,805,215,636.50/53,242,087.14 - Step 6: Final answer
x = 28,037,383.31
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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.