Finding the Fourth Proportional to 16,551,489.68, 22,840,697.40 and 9,582,461.12
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Solution
The fourth proportional to 16,551,489.68, 22,840,697.40 and 9,582,461.12 is: 13,223,588.87
Step by Step Solution
- Step 1: Write the proportion equation
16,551,489.68 : 22,840,697.40 = 9,582,461.12 : x - Step 2: Convert to fraction form
16,551,489.68/22,840,697.40 = 9,582,461.12/x - Step 3: Cross multiply
16,551,489.68x = 22,840,697.40 × 9,582,461.12 - Step 4: Simplify right side
16,551,489.68x = 218,870,094,789,185.06 - Step 5: Solve for x
x = 218,870,094,789,185.06/16,551,489.68 - Step 6: Final answer
x = 13,223,588.87
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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.