Finding the Fourth Proportional to 19,185,747.57, 26,476,400.43 and 10,483,920.09
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Solution
The fourth proportional to 19,185,747.57, 26,476,400.43 and 10,483,920.09 is: 14,467,847.31
Step by Step Solution
- Step 1: Write the proportion equation
19,185,747.57 : 26,476,400.43 = 10,483,920.09 : x - Step 2: Convert to fraction form
19,185,747.57/26,476,400.43 = 10,483,920.09/x - Step 3: Cross multiply
19,185,747.57x = 26,476,400.43 × 10,483,920.09 - Step 4: Simplify right side
19,185,747.57x = 277,576,466,378,961.62 - Step 5: Solve for x
x = 277,576,466,378,961.62/19,185,747.57 - Step 6: Final answer
x = 14,467,847.31
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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.