Finding the Fourth Proportional to 29,507,859.20, 44,268,009.60 and 12,459,756.80
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Solution
The fourth proportional to 29,507,859.20, 44,268,009.60 and 12,459,756.80 is: 18,692,261.95
Step by Step Solution
- Step 1: Write the proportion equation
29,507,859.20 : 44,268,009.60 = 12,459,756.80 : x - Step 2: Convert to fraction form
29,507,859.20/44,268,009.60 = 12,459,756.80/x - Step 3: Cross multiply
29,507,859.20x = 44,268,009.60 × 12,459,756.80 - Step 4: Simplify right side
29,507,859.20x = 551,568,633,636,065.31 - Step 5: Solve for x
x = 551,568,633,636,065.31/29,507,859.20 - Step 6: Final answer
x = 18,692,261.95
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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.