Finding the Fourth Proportional to 30,777,479.96, 46,178,937.34 and 13,496,739.08
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Solution
The fourth proportional to 30,777,479.96, 46,178,937.34 and 13,496,739.08 is: 20,250,685.53
Step by Step Solution
- Step 1: Write the proportion equation
30,777,479.96 : 46,178,937.34 = 13,496,739.08 : x - Step 2: Convert to fraction form
30,777,479.96/46,178,937.34 = 13,496,739.08/x - Step 3: Cross multiply
30,777,479.96x = 46,178,937.34 × 13,496,739.08 - Step 4: Simplify right side
30,777,479.96x = 623,265,068,005,012.62 - Step 5: Solve for x
x = 623,265,068,005,012.62/30,777,479.96 - Step 6: Final answer
x = 20,250,685.53
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1.5x scale
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.