Finding the Fourth Proportional to 11,809,397.60, 17,702,950.80 and 6,410,088.80
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Solution
The fourth proportional to 11,809,397.60, 17,702,950.80 and 6,410,088.80 is: 9,609,083.42
Step by Step Solution
- Step 1: Write the proportion equation
11,809,397.60 : 17,702,950.80 = 6,410,088.80 : x - Step 2: Convert to fraction form
11,809,397.60/17,702,950.80 = 6,410,088.80/x - Step 3: Cross multiply
11,809,397.60x = 17,702,950.80 × 6,410,088.80 - Step 4: Simplify right side
11,809,397.60x = 113,477,486,650,031.05 - Step 5: Solve for x
x = 113,477,486,650,031.05/11,809,397.60 - Step 6: Final answer
x = 9,609,083.42
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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.