Finding the Fourth Proportional to 22,335,918.20, 33,503,877.30 and 14,683,167.80
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Solution
The fourth proportional to 22,335,918.20, 33,503,877.30 and 14,683,167.80 is: 22,024,751.70
Step by Step Solution
- Step 1: Write the proportion equation
22,335,918.20 : 33,503,877.30 = 14,683,167.80 : x - Step 2: Convert to fraction form
22,335,918.20/33,503,877.30 = 14,683,167.80/x - Step 3: Cross multiply
22,335,918.20x = 33,503,877.30 × 14,683,167.80 - Step 4: Simplify right side
22,335,918.20x = 491,943,052,346,511 - Step 5: Solve for x
x = 491,943,052,346,511/22,335,918.20 - Step 6: Final answer
x = 22,024,751.70
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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.