Finding the Fourth Proportional to 19,800,657.43, 27,323,532.16 and 10,980,563.68
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Solution
The fourth proportional to 19,800,657.43, 27,323,532.16 and 10,980,563.68 is: 15,152,415.32
Step by Step Solution
- Step 1: Write the proportion equation
19,800,657.43 : 27,323,532.16 = 10,980,563.68 : x - Step 2: Convert to fraction form
19,800,657.43/27,323,532.16 = 10,980,563.68/x - Step 3: Cross multiply
19,800,657.43x = 27,323,532.16 × 10,980,563.68 - Step 4: Simplify right side
19,800,657.43x = 300,027,784,852,110.94 - Step 5: Solve for x
x = 300,027,784,852,110.94/19,800,657.43 - Step 6: Final answer
x = 15,152,415.32
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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.