Finding the Fourth Proportional to 11,089,506.97, 16,565,106.70 and 8,216,485.15
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Solution
The fourth proportional to 11,089,506.97, 16,565,106.70 and 8,216,485.15 is: 12,273,490.03
Step by Step Solution
- Step 1: Write the proportion equation
11,089,506.97 : 16,565,106.70 = 8,216,485.15 : x - Step 2: Convert to fraction form
11,089,506.97/16,565,106.70 = 8,216,485.15/x - Step 3: Cross multiply
11,089,506.97x = 16,565,106.70 × 8,216,485.15 - Step 4: Simplify right side
11,089,506.97x = 136,106,953,247,771.19 - Step 5: Solve for x
x = 136,106,953,247,771.19/11,089,506.97 - Step 6: Final answer
x = 12,273,490.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.