Finding the Fourth Proportional to 28,930,420, 39,925,845.84 and 16,053,364
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Solution
The fourth proportional to 28,930,420, 39,925,845.84 and 16,053,364 is: 22,154,677.89
Step by Step Solution
- Step 1: Write the proportion equation
28,930,420 : 39,925,845.84 = 16,053,364 : x - Step 2: Convert to fraction form
28,930,420/39,925,845.84 = 16,053,364/x - Step 3: Cross multiply
28,930,420x = 39,925,845.84 × 16,053,364 - Step 4: Simplify right side
28,930,420x = 640,944,136,277,405.88 - Step 5: Solve for x
x = 640,944,136,277,405.88/28,930,420 - Step 6: Final answer
x = 22,154,677.89
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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.