Finding the Fourth Proportional to 22,261,569.27, 30,720,222.84 and 12,338,029.09
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Solution
The fourth proportional to 22,261,569.27, 30,720,222.84 and 12,338,029.09 is: 17,026,068.50
Step by Step Solution
- Step 1: Write the proportion equation
22,261,569.27 : 30,720,222.84 = 12,338,029.09 : x - Step 2: Convert to fraction form
22,261,569.27/30,720,222.84 = 12,338,029.09/x - Step 3: Cross multiply
22,261,569.27x = 30,720,222.84 × 12,338,029.09 - Step 4: Simplify right side
22,261,569.27x = 379,027,003,135,870.31 - Step 5: Solve for x
x = 379,027,003,135,870.31/22,261,569.27 - Step 6: Final answer
x = 17,026,068.50
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1.5x scale
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.