Finding the Fourth Proportional to 48,389,615.20, 72,582,867.60 and 16,043,010.40
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Solution
The fourth proportional to 48,389,615.20, 72,582,867.60 and 16,043,010.40 is: 24,063,999.99
Step by Step Solution
- Step 1: Write the proportion equation
48,389,615.20 : 72,582,867.60 = 16,043,010.40 : x - Step 2: Convert to fraction form
48,389,615.20/72,582,867.60 = 16,043,010.40/x - Step 3: Cross multiply
48,389,615.20x = 72,582,867.60 × 16,043,010.40 - Step 4: Simplify right side
48,389,615.20x = 1,164,447,699,768,623 - Step 5: Solve for x
x = 1,164,447,699,768,623/48,389,615.20 - Step 6: Final answer
x = 24,063,999.99
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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.