Finding the Fourth Proportional to 16,292,792.10, 22,481,553.67 and 9,415,946.10
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Solution
The fourth proportional to 16,292,792.10, 22,481,553.67 and 9,415,946.10 is: 12,992,561.15
Step by Step Solution
- Step 1: Write the proportion equation
16,292,792.10 : 22,481,553.67 = 9,415,946.10 : x - Step 2: Convert to fraction form
16,292,792.10/22,481,553.67 = 9,415,946.10/x - Step 3: Cross multiply
16,292,792.10x = 22,481,553.67 × 9,415,946.10 - Step 4: Simplify right side
16,292,792.10x = 211,685,097,600,977.19 - Step 5: Solve for x
x = 211,685,097,600,977.19/16,292,792.10 - Step 6: Final answer
x = 12,992,561.15
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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.