Finding the Fourth Proportional to 18,929,124.54, 28,398,464.09 and 5,282,259.53
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Solution
The fourth proportional to 18,929,124.54, 28,398,464.09 and 5,282,259.53 is: 7,924,722.41
Step by Step Solution
- Step 1: Write the proportion equation
18,929,124.54 : 28,398,464.09 = 5,282,259.53 : x - Step 2: Convert to fraction form
18,929,124.54/28,398,464.09 = 5,282,259.53/x - Step 3: Cross multiply
18,929,124.54x = 28,398,464.09 × 5,282,259.53 - Step 4: Simplify right side
18,929,124.54x = 150,008,057,408,361.69 - Step 5: Solve for x
x = 150,008,057,408,361.69/18,929,124.54 - Step 6: Final answer
x = 7,924,722.41
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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.