Finding the Fourth Proportional to 35,478,640.80, 53,217,961.20 and 16,346,764.80
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Solution
The fourth proportional to 35,478,640.80, 53,217,961.20 and 16,346,764.80 is: 24,520,147.20
Step by Step Solution
- Step 1: Write the proportion equation
35,478,640.80 : 53,217,961.20 = 16,346,764.80 : x - Step 2: Convert to fraction form
35,478,640.80/53,217,961.20 = 16,346,764.80/x - Step 3: Cross multiply
35,478,640.80x = 53,217,961.20 × 16,346,764.80 - Step 4: Simplify right side
35,478,640.80x = 869,941,494,871,925.88 - Step 5: Solve for x
x = 869,941,494,871,925.88/35,478,640.80 - Step 6: Final answer
x = 24,520,147.20
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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.