Finding the Fourth Proportional to 7,058,116.20, 10,563,554.70 and 6,207,810.60
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Solution
The fourth proportional to 7,058,116.20, 10,563,554.70 and 6,207,810.60 is: 9,290,941.80
Step by Step Solution
- Step 1: Write the proportion equation
7,058,116.20 : 10,563,554.70 = 6,207,810.60 : x - Step 2: Convert to fraction form
7,058,116.20/10,563,554.70 = 6,207,810.60/x - Step 3: Cross multiply
7,058,116.20x = 10,563,554.70 × 6,207,810.60 - Step 4: Simplify right side
7,058,116.20x = 65,576,546,840,339.81 - Step 5: Solve for x
x = 65,576,546,840,339.81/7,058,116.20 - Step 6: Final answer
x = 9,290,941.80
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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.