Finding the Fourth Proportional to 15,038,187.36, 20,752,719.12 and 8,162,674.08
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Solution
The fourth proportional to 15,038,187.36, 20,752,719.12 and 8,162,674.08 is: 11,264,501.39
Step by Step Solution
- Step 1: Write the proportion equation
15,038,187.36 : 20,752,719.12 = 8,162,674.08 : x - Step 2: Convert to fraction form
15,038,187.36/20,752,719.12 = 8,162,674.08/x - Step 3: Cross multiply
15,038,187.36x = 20,752,719.12 × 8,162,674.08 - Step 4: Simplify right side
15,038,187.36x = 169,397,682,450,344.41 - Step 5: Solve for x
x = 169,397,682,450,344.41/15,038,187.36 - Step 6: Final answer
x = 11,264,501.39
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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.