Finding the Fourth Proportional to 22,554,518.66, 31,125,266.52 and 12,241,241.90
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Solution
The fourth proportional to 22,554,518.66, 31,125,266.52 and 12,241,241.90 is: 16,892,930.52
Step by Step Solution
- Step 1: Write the proportion equation
22,554,518.66 : 31,125,266.52 = 12,241,241.90 : x - Step 2: Convert to fraction form
22,554,518.66/31,125,266.52 = 12,241,241.90/x - Step 3: Cross multiply
22,554,518.66x = 31,125,266.52 × 12,241,241.90 - Step 4: Simplify right side
22,554,518.66x = 381,011,916,673,291.19 - Step 5: Solve for x
x = 381,011,916,673,291.19/22,554,518.66 - Step 6: Final answer
x = 16,892,930.52
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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.