Finding the Fourth Proportional to 8,881,315.70, 13,321,973.55 and 2,149,729.70
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Solution
The fourth proportional to 8,881,315.70, 13,321,973.55 and 2,149,729.70 is: 3,224,594.55
Step by Step Solution
- Step 1: Write the proportion equation
8,881,315.70 : 13,321,973.55 = 2,149,729.70 : x - Step 2: Convert to fraction form
8,881,315.70/13,321,973.55 = 2,149,729.70/x - Step 3: Cross multiply
8,881,315.70x = 13,321,973.55 × 2,149,729.70 - Step 4: Simplify right side
8,881,315.70x = 28,638,642,203,049.44 - Step 5: Solve for x
x = 28,638,642,203,049.44/8,881,315.70 - Step 6: Final answer
x = 3,224,594.55
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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.