Finding the Fourth Proportional to 10,871,951.44, 15,003,302.56 and 5,977,256.80
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Solution
The fourth proportional to 10,871,951.44, 15,003,302.56 and 5,977,256.80 is: 8,248,619.65
Step by Step Solution
- Step 1: Write the proportion equation
10,871,951.44 : 15,003,302.56 = 5,977,256.80 : x - Step 2: Convert to fraction form
10,871,951.44/15,003,302.56 = 5,977,256.80/x - Step 3: Cross multiply
10,871,951.44x = 15,003,302.56 × 5,977,256.80 - Step 4: Simplify right side
10,871,951.44x = 89,678,592,249,217.41 - Step 5: Solve for x
x = 89,678,592,249,217.41/10,871,951.44 - Step 6: Final answer
x = 8,248,619.65
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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.