Finding the Fourth Proportional to 29,073,874.80, 40,122,216.24 and 16,021,600.80
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Solution
The fourth proportional to 29,073,874.80, 40,122,216.24 and 16,021,600.80 is: 22,109,957.35
Step by Step Solution
- Step 1: Write the proportion equation
29,073,874.80 : 40,122,216.24 = 16,021,600.80 : x - Step 2: Convert to fraction form
29,073,874.80/40,122,216.24 = 16,021,600.80/x - Step 3: Cross multiply
29,073,874.80x = 40,122,216.24 × 16,021,600.80 - Step 4: Simplify right side
29,073,874.80x = 642,822,131,808,557 - Step 5: Solve for x
x = 642,822,131,808,557/29,073,874.80 - Step 6: Final answer
x = 22,109,957.35
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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.