Finding the Fourth Proportional to 15,440,719.50, 23,161,079.97 and 10,578,231.18
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Solution
The fourth proportional to 15,440,719.50, 23,161,079.97 and 10,578,231.18 is: 15,867,347.26
Step by Step Solution
- Step 1: Write the proportion equation
15,440,719.50 : 23,161,079.97 = 10,578,231.18 : x - Step 2: Convert to fraction form
15,440,719.50/23,161,079.97 = 10,578,231.18/x - Step 3: Cross multiply
15,440,719.50x = 23,161,079.97 × 10,578,231.18 - Step 4: Simplify right side
15,440,719.50x = 245,003,258,301,127.44 - Step 5: Solve for x
x = 245,003,258,301,127.44/15,440,719.50 - Step 6: Final answer
x = 15,867,347.26
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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.