Finding the Fourth Proportional to 11,113,311.38, 16,652,685.52 and 7,708,250.80
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Solution
The fourth proportional to 11,113,311.38, 16,652,685.52 and 7,708,250.80 is: 11,550,389.62
Step by Step Solution
- Step 1: Write the proportion equation
11,113,311.38 : 16,652,685.52 = 7,708,250.80 : x - Step 2: Convert to fraction form
11,113,311.38/16,652,685.52 = 7,708,250.80/x - Step 3: Cross multiply
11,113,311.38x = 16,652,685.52 × 7,708,250.80 - Step 4: Simplify right side
11,113,311.38x = 128,363,076,420,786.08 - Step 5: Solve for x
x = 128,363,076,420,786.08/11,113,311.38 - Step 6: Final answer
x = 11,550,389.62
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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.