Finding the Fourth Proportional to 22,551,054.81, 31,120,475.99 and 12,237,778.01
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Solution
The fourth proportional to 22,551,054.81, 31,120,475.99 and 12,237,778.01 is: 16,888,144.69
Step by Step Solution
- Step 1: Write the proportion equation
22,551,054.81 : 31,120,475.99 = 12,237,778.01 : x - Step 2: Convert to fraction form
22,551,054.81/31,120,475.99 = 12,237,778.01/x - Step 3: Cross multiply
22,551,054.81x = 31,120,475.99 × 12,237,778.01 - Step 4: Simplify right side
22,551,054.81x = 380,845,476,514,363.75 - Step 5: Solve for x
x = 380,845,476,514,363.75/22,551,054.81 - Step 6: Final answer
x = 16,888,144.69
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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.