Finding the Fourth Proportional to 28,529,554.19, 39,370,784.78 and 16,306,673.63
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Solution
The fourth proportional to 28,529,554.19, 39,370,784.78 and 16,306,673.63 is: 22,503,209.61
Step by Step Solution
- Step 1: Write the proportion equation
28,529,554.19 : 39,370,784.78 = 16,306,673.63 : x - Step 2: Convert to fraction form
28,529,554.19/39,370,784.78 = 16,306,673.63/x - Step 3: Cross multiply
28,529,554.19x = 39,370,784.78 × 16,306,673.63 - Step 4: Simplify right side
28,529,554.19x = 642,006,537,964,431.38 - Step 5: Solve for x
x = 642,006,537,964,431.38/28,529,554.19 - Step 6: Final answer
x = 22,503,209.61
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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.