Finding the Fourth Proportional to 27,325,358.20, 40,988,037.30 and 7,130,600.20
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Solution
The fourth proportional to 27,325,358.20, 40,988,037.30 and 7,130,600.20 is: 10,695,900.30
Step by Step Solution
- Step 1: Write the proportion equation
27,325,358.20 : 40,988,037.30 = 7,130,600.20 : x - Step 2: Convert to fraction form
27,325,358.20/40,988,037.30 = 7,130,600.20/x - Step 3: Cross multiply
27,325,358.20x = 40,988,037.30 × 7,130,600.20 - Step 4: Simplify right side
27,325,358.20x = 292,269,306,968,987.44 - Step 5: Solve for x
x = 292,269,306,968,987.44/27,325,358.20 - Step 6: Final answer
x = 10,695,900.30
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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.