Finding the Fourth Proportional to 14,599,313.42, 20,146,653.63 and 8,072,719.74
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Solution
The fourth proportional to 14,599,313.42, 20,146,653.63 and 8,072,719.74 is: 11,140,132.68
Step by Step Solution
- Step 1: Write the proportion equation
14,599,313.42 : 20,146,653.63 = 8,072,719.74 : x - Step 2: Convert to fraction form
14,599,313.42/20,146,653.63 = 8,072,719.74/x - Step 3: Cross multiply
14,599,313.42x = 20,146,653.63 × 8,072,719.74 - Step 4: Simplify right side
14,599,313.42x = 162,638,288,453,843.66 - Step 5: Solve for x
x = 162,638,288,453,843.66/14,599,313.42 - Step 6: Final answer
x = 11,140,132.68
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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.