Finding the Fourth Proportional to 22,524,844.53, 31,109,946.20 and 15,268,903.41
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Solution
The fourth proportional to 22,524,844.53, 31,109,946.20 and 15,268,903.41 is: 21,088,481.34
Step by Step Solution
- Step 1: Write the proportion equation
22,524,844.53 : 31,109,946.20 = 15,268,903.41 : x - Step 2: Convert to fraction form
22,524,844.53/31,109,946.20 = 15,268,903.41/x - Step 3: Cross multiply
22,524,844.53x = 31,109,946.20 × 15,268,903.41 - Step 4: Simplify right side
22,524,844.53x = 475,014,763,541,752.06 - Step 5: Solve for x
x = 475,014,763,541,752.06/22,524,844.53 - Step 6: Final answer
x = 21,088,481.34
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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.