Finding the Fourth Proportional to 22,481,578.06, 31,025,329.68 and 13,778,068.84
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Solution
The fourth proportional to 22,481,578.06, 31,025,329.68 and 13,778,068.84 is: 19,014,195.84
Step by Step Solution
- Step 1: Write the proportion equation
22,481,578.06 : 31,025,329.68 = 13,778,068.84 : x - Step 2: Convert to fraction form
22,481,578.06/31,025,329.68 = 13,778,068.84/x - Step 3: Cross multiply
22,481,578.06x = 31,025,329.68 × 13,778,068.84 - Step 4: Simplify right side
22,481,578.06x = 427,469,128,114,735.19 - Step 5: Solve for x
x = 427,469,128,114,735.19/22,481,578.06 - Step 6: Final answer
x = 19,014,195.84
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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.