Finding the Fourth Proportional to 47,486,743.20, 71,230,114.80 and 18,723,319.20
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Solution
The fourth proportional to 47,486,743.20, 71,230,114.80 and 18,723,319.20 is: 28,084,978.80
Step by Step Solution
- Step 1: Write the proportion equation
47,486,743.20 : 71,230,114.80 = 18,723,319.20 : x - Step 2: Convert to fraction form
47,486,743.20/71,230,114.80 = 18,723,319.20/x - Step 3: Cross multiply
47,486,743.20x = 71,230,114.80 × 18,723,319.20 - Step 4: Simplify right side
47,486,743.20x = 1,333,664,176,053,044 - Step 5: Solve for x
x = 1,333,664,176,053,044/47,486,743.20 - Step 6: Final answer
x = 28,084,978.80
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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.