Finding the Fourth Proportional to 12,116,711.44, 16,720,792.68 and 6,684,202
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Solution
The fourth proportional to 12,116,711.44, 16,720,792.68 and 6,684,202 is: 9,224,050.31
Step by Step Solution
- Step 1: Write the proportion equation
12,116,711.44 : 16,720,792.68 = 6,684,202 : x - Step 2: Convert to fraction form
12,116,711.44/16,720,792.68 = 6,684,202/x - Step 3: Cross multiply
12,116,711.44x = 16,720,792.68 × 6,684,202 - Step 4: Simplify right side
12,116,711.44x = 111,765,155,873,241.36 - Step 5: Solve for x
x = 111,765,155,873,241.36/12,116,711.44 - Step 6: Final answer
x = 9,224,050.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.