Finding the Fourth Proportional to 22,550,900.74, 31,120,243.26 and 12,237,623.84
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Solution
The fourth proportional to 22,550,900.74, 31,120,243.26 and 12,237,623.84 is: 16,887,921.02
Step by Step Solution
- Step 1: Write the proportion equation
22,550,900.74 : 31,120,243.26 = 12,237,623.84 : x - Step 2: Convert to fraction form
22,550,900.74/31,120,243.26 = 12,237,623.84/x - Step 3: Cross multiply
22,550,900.74x = 31,120,243.26 × 12,237,623.84 - Step 4: Simplify right side
22,550,900.74x = 380,837,830,669,574.12 - Step 5: Solve for x
x = 380,837,830,669,574.12/22,550,900.74 - Step 6: Final answer
x = 16,887,921.02
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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.