Finding the Fourth Proportional to 18,452,467.60, 27,678,701.40 and 8,865,534.40
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Solution
The fourth proportional to 18,452,467.60, 27,678,701.40 and 8,865,534.40 is: 13,298,301.60
Step by Step Solution
- Step 1: Write the proportion equation
18,452,467.60 : 27,678,701.40 = 8,865,534.40 : x - Step 2: Convert to fraction form
18,452,467.60/27,678,701.40 = 8,865,534.40/x - Step 3: Cross multiply
18,452,467.60x = 27,678,701.40 × 8,865,534.40 - Step 4: Simplify right side
18,452,467.60x = 245,386,479,409,028.16 - Step 5: Solve for x
x = 245,386,479,409,028.16/18,452,467.60 - Step 6: Final answer
x = 13,298,301.60
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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.