Finding the Fourth Proportional to 21,528,200.70, 32,291,523.45 and 8,748,344.70
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Solution
The fourth proportional to 21,528,200.70, 32,291,523.45 and 8,748,344.70 is: 13,122,201.06
Step by Step Solution
- Step 1: Write the proportion equation
21,528,200.70 : 32,291,523.45 = 8,748,344.70 : x - Step 2: Convert to fraction form
21,528,200.70/32,291,523.45 = 8,748,344.70/x - Step 3: Cross multiply
21,528,200.70x = 32,291,523.45 × 8,748,344.70 - Step 4: Simplify right side
21,528,200.70x = 282,497,378,028,733.19 - Step 5: Solve for x
x = 282,497,378,028,733.19/21,528,200.70 - Step 6: Final answer
x = 13,122,201.06
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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.