Finding the Fourth Proportional to 15,450,083.29, 23,179,430.36 and 12,598,378.53
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Solution
The fourth proportional to 15,450,083.29, 23,179,430.36 and 12,598,378.53 is: 18,901,078.53
Step by Step Solution
- Step 1: Write the proportion equation
15,450,083.29 : 23,179,430.36 = 12,598,378.53 : x - Step 2: Convert to fraction form
15,450,083.29/23,179,430.36 = 12,598,378.53/x - Step 3: Cross multiply
15,450,083.29x = 23,179,430.36 × 12,598,378.53 - Step 4: Simplify right side
15,450,083.29x = 292,023,237,658,761.31 - Step 5: Solve for x
x = 292,023,237,658,761.31/15,450,083.29 - Step 6: Final answer
x = 18,901,078.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.