Finding the Fourth Proportional to 18,174,713.28, 25,076,630.88 and 11,108,518.08
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Solution
The fourth proportional to 18,174,713.28, 25,076,630.88 and 11,108,518.08 is: 15,327,020.75
Step by Step Solution
- Step 1: Write the proportion equation
18,174,713.28 : 25,076,630.88 = 11,108,518.08 : x - Step 2: Convert to fraction form
18,174,713.28/25,076,630.88 = 11,108,518.08/x - Step 3: Cross multiply
18,174,713.28x = 25,076,630.88 × 11,108,518.08 - Step 4: Simplify right side
18,174,713.28x = 278,564,207,515,966.31 - Step 5: Solve for x
x = 278,564,207,515,966.31/18,174,713.28 - Step 6: Final answer
x = 15,327,020.75
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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.