Finding the Fourth Proportional to 40,911,480.62, 61,365,726.21 and 12,156,868.84
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Solution
The fourth proportional to 40,911,480.62, 61,365,726.21 and 12,156,868.84 is: 18,234,859.10
Step by Step Solution
- Step 1: Write the proportion equation
40,911,480.62 : 61,365,726.21 = 12,156,868.84 : x - Step 2: Convert to fraction form
40,911,480.62/61,365,726.21 = 12,156,868.84/x - Step 3: Cross multiply
40,911,480.62x = 61,365,726.21 × 12,156,868.84 - Step 4: Simplify right side
40,911,480.62x = 746,015,084,806,320.25 - Step 5: Solve for x
x = 746,015,084,806,320.25/40,911,480.62 - Step 6: Final answer
x = 18,234,859.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.