Finding the Fourth Proportional to 32,246,996.72, 48,385,982.68 and 20,113,345.76
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Solution
The fourth proportional to 32,246,996.72, 48,385,982.68 and 20,113,345.76 is: 30,179,678.69
Step by Step Solution
- Step 1: Write the proportion equation
32,246,996.72 : 48,385,982.68 = 20,113,345.76 : x - Step 2: Convert to fraction form
32,246,996.72/48,385,982.68 = 20,113,345.76/x - Step 3: Cross multiply
32,246,996.72x = 48,385,982.68 × 20,113,345.76 - Step 4: Simplify right side
32,246,996.72x = 973,203,999,580,211.50 - Step 5: Solve for x
x = 973,203,999,580,211.50/32,246,996.72 - Step 6: Final answer
x = 30,179,678.69
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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.