Finding the Fourth Proportional to 28,355,165.70, 42,532,748.55 and 26,862,173.70
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Solution
The fourth proportional to 28,355,165.70, 42,532,748.55 and 26,862,173.70 is: 40,293,260.55
Step by Step Solution
- Step 1: Write the proportion equation
28,355,165.70 : 42,532,748.55 = 26,862,173.70 : x - Step 2: Convert to fraction form
28,355,165.70/42,532,748.55 = 26,862,173.70/x - Step 3: Cross multiply
28,355,165.70x = 42,532,748.55 × 26,862,173.70 - Step 4: Simplify right side
28,355,165.70x = 1,142,522,079,488,523 - Step 5: Solve for x
x = 1,142,522,079,488,523/28,355,165.70 - Step 6: Final answer
x = 40,293,260.55
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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.