Finding the Fourth Proportional to 16,048,972.80, 22,147,214.40 and 9,173,044.80
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Solution
The fourth proportional to 16,048,972.80, 22,147,214.40 and 9,173,044.80 is: 12,658,591.45
Step by Step Solution
- Step 1: Write the proportion equation
16,048,972.80 : 22,147,214.40 = 9,173,044.80 : x - Step 2: Convert to fraction form
16,048,972.80/22,147,214.40 = 9,173,044.80/x - Step 3: Cross multiply
16,048,972.80x = 22,147,214.40 × 9,173,044.80 - Step 4: Simplify right side
16,048,972.80x = 203,157,389,886,405.12 - Step 5: Solve for x
x = 203,157,389,886,405.12/16,048,972.80 - Step 6: Final answer
x = 12,658,591.45
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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.