Finding the Fourth Proportional to 8,858,575.60, 13,303,609.80 and 6,465,122.80
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Solution
The fourth proportional to 8,858,575.60, 13,303,609.80 and 6,465,122.80 is: 9,709,176.16
Step by Step Solution
- Step 1: Write the proportion equation
8,858,575.60 : 13,303,609.80 = 6,465,122.80 : x - Step 2: Convert to fraction form
8,858,575.60/13,303,609.80 = 6,465,122.80/x - Step 3: Cross multiply
8,858,575.60x = 13,303,609.80 × 6,465,122.80 - Step 4: Simplify right side
8,858,575.60x = 86,009,471,040,283.44 - Step 5: Solve for x
x = 86,009,471,040,283.44/8,858,575.60 - Step 6: Final answer
x = 9,709,176.16
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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.