Finding the Fourth Proportional to 18,918,355.32, 26,107,330.27 and 10,216,527.44
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Solution
The fourth proportional to 18,918,355.32, 26,107,330.27 and 10,216,527.44 is: 14,098,807.84
Step by Step Solution
- Step 1: Write the proportion equation
18,918,355.32 : 26,107,330.27 = 10,216,527.44 : x - Step 2: Convert to fraction form
18,918,355.32/26,107,330.27 = 10,216,527.44/x - Step 3: Cross multiply
18,918,355.32x = 26,107,330.27 × 10,216,527.44 - Step 4: Simplify right side
18,918,355.32x = 266,726,256,171,943.19 - Step 5: Solve for x
x = 266,726,256,171,943.19/18,918,355.32 - Step 6: Final answer
x = 14,098,807.84
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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.