Finding the Fourth Proportional to 15,146,289.76, 22,702,606.08 and 11,540,168.14
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Solution
The fourth proportional to 15,146,289.76, 22,702,606.08 and 11,540,168.14 is: 17,297,430.30
Step by Step Solution
- Step 1: Write the proportion equation
15,146,289.76 : 22,702,606.08 = 11,540,168.14 : x - Step 2: Convert to fraction form
15,146,289.76/22,702,606.08 = 11,540,168.14/x - Step 3: Cross multiply
15,146,289.76x = 22,702,606.08 × 11,540,168.14 - Step 4: Simplify right side
15,146,289.76x = 261,991,891,379,386.28 - Step 5: Solve for x
x = 261,991,891,379,386.28/15,146,289.76 - Step 6: Final answer
x = 17,297,430.30
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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.