Finding the Fourth Proportional to 19,267,361.82, 26,563,237.17 and 15,306,774.09
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Solution
The fourth proportional to 19,267,361.82, 26,563,237.17 and 15,306,774.09 is: 21,102,913.53
Step by Step Solution
- Step 1: Write the proportion equation
19,267,361.82 : 26,563,237.17 = 15,306,774.09 : x - Step 2: Convert to fraction form
19,267,361.82/26,563,237.17 = 15,306,774.09/x - Step 3: Cross multiply
19,267,361.82x = 26,563,237.17 × 15,306,774.09 - Step 4: Simplify right side
19,267,361.82x = 406,597,470,460,280.94 - Step 5: Solve for x
x = 406,597,470,460,280.94/19,267,361.82 - Step 6: Final answer
x = 21,102,913.53
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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.