Finding the Fourth Proportional to 48,652,860.60, 72,969,959.70 and 14,575,318.20
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Solution
The fourth proportional to 48,652,860.60, 72,969,959.70 and 14,575,318.20 is: 21,860,181.88
Step by Step Solution
- Step 1: Write the proportion equation
48,652,860.60 : 72,969,959.70 = 14,575,318.20 : x - Step 2: Convert to fraction form
48,652,860.60/72,969,959.70 = 14,575,318.20/x - Step 3: Cross multiply
48,652,860.60x = 72,969,959.70 × 14,575,318.20 - Step 4: Simplify right side
48,652,860.60x = 1,063,560,381,668,676.50 - Step 5: Solve for x
x = 1,063,560,381,668,676.50/48,652,860.60 - Step 6: Final answer
x = 21,860,181.88
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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.