Finding the Fourth Proportional to 22,551,053.19, 31,120,473.74 and 12,237,776.38
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Solution
The fourth proportional to 22,551,053.19, 31,120,473.74 and 12,237,776.38 is: 16,888,142.44
Step by Step Solution
- Step 1: Write the proportion equation
22,551,053.19 : 31,120,473.74 = 12,237,776.38 : x - Step 2: Convert to fraction form
22,551,053.19/31,120,473.74 = 12,237,776.38/x - Step 3: Cross multiply
22,551,053.19x = 31,120,473.74 × 12,237,776.38 - Step 4: Simplify right side
22,551,053.19x = 380,845,398,469,782.25 - Step 5: Solve for x
x = 380,845,398,469,782.25/22,551,053.19 - Step 6: Final answer
x = 16,888,142.44
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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.