Finding the Fourth Proportional to 11,303,321.56, 15,598,993.26 and 6,475,358.68
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Solution
The fourth proportional to 11,303,321.56, 15,598,993.26 and 6,475,358.68 is: 8,936,229.57
Step by Step Solution
- Step 1: Write the proportion equation
11,303,321.56 : 15,598,993.26 = 6,475,358.68 : x - Step 2: Convert to fraction form
11,303,321.56/15,598,993.26 = 6,475,358.68/x - Step 3: Cross multiply
11,303,321.56x = 15,598,993.26 × 6,475,358.68 - Step 4: Simplify right side
11,303,321.56x = 101,009,076,405,402.48 - Step 5: Solve for x
x = 101,009,076,405,402.48/11,303,321.56 - Step 6: Final answer
x = 8,936,229.57
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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.