Finding the Fourth Proportional to 16,389,107.60, 24,583,661.40 and 7,886,051.60
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Solution
The fourth proportional to 16,389,107.60, 24,583,661.40 and 7,886,051.60 is: 11,829,077.40
Step by Step Solution
- Step 1: Write the proportion equation
16,389,107.60 : 24,583,661.40 = 7,886,051.60 : x - Step 2: Convert to fraction form
16,389,107.60/24,583,661.40 = 7,886,051.60/x - Step 3: Cross multiply
16,389,107.60x = 24,583,661.40 × 7,886,051.60 - Step 4: Simplify right side
16,389,107.60x = 193,868,022,317,328.22 - Step 5: Solve for x
x = 193,868,022,317,328.22/16,389,107.60 - Step 6: Final answer
x = 11,829,077.40
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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.