Finding the Fourth Proportional to 22,554,478.58, 31,125,210.47 and 12,241,201.67
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Solution
The fourth proportional to 22,554,478.58, 31,125,210.47 and 12,241,201.67 is: 16,892,874.60
Step by Step Solution
- Step 1: Write the proportion equation
22,554,478.58 : 31,125,210.47 = 12,241,201.67 : x - Step 2: Convert to fraction form
22,554,478.58/31,125,210.47 = 12,241,201.67/x - Step 3: Cross multiply
22,554,478.58x = 31,125,210.47 × 12,241,201.67 - Step 4: Simplify right side
22,554,478.58x = 381,009,978,167,633.38 - Step 5: Solve for x
x = 381,009,978,167,633.38/22,554,478.58 - Step 6: Final answer
x = 16,892,874.60
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1.5x scale
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.