Finding the Fourth Proportional to 7,267,467.60, 10,901,201.40 and 6,720,037.20
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Solution
The fourth proportional to 7,267,467.60, 10,901,201.40 and 6,720,037.20 is: 10,080,055.80
Step by Step Solution
- Step 1: Write the proportion equation
7,267,467.60 : 10,901,201.40 = 6,720,037.20 : x - Step 2: Convert to fraction form
7,267,467.60/10,901,201.40 = 6,720,037.20/x - Step 3: Cross multiply
7,267,467.60x = 10,901,201.40 × 6,720,037.20 - Step 4: Simplify right side
7,267,467.60x = 73,256,478,932,692.08 - Step 5: Solve for x
x = 73,256,478,932,692.08/7,267,467.60 - Step 6: Final answer
x = 10,080,055.80
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Double scale
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Similar ratio
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1.5x scale
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.