Finding the Fourth Proportional to 12,301,448.20, 18,452,075.10 and 3,203,528.20
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Solution
The fourth proportional to 12,301,448.20, 18,452,075.10 and 3,203,528.20 is: 4,805,266.99
Step by Step Solution
- Step 1: Write the proportion equation
12,301,448.20 : 18,452,075.10 = 3,203,528.20 : x - Step 2: Convert to fraction form
12,301,448.20/18,452,075.10 = 3,203,528.20/x - Step 3: Cross multiply
12,301,448.20x = 18,452,075.10 × 3,203,528.20 - Step 4: Simplify right side
12,301,448.20x = 59,111,742,931,367.83 - Step 5: Solve for x
x = 59,111,742,931,367.83/12,301,448.20 - Step 6: Final answer
x = 4,805,266.99
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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.