Finding the Fourth Proportional to 48,551,718.30, 72,827,577.45 and 19,782,170.70
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Solution
The fourth proportional to 48,551,718.30, 72,827,577.45 and 19,782,170.70 is: 29,673,256.05
Step by Step Solution
- Step 1: Write the proportion equation
48,551,718.30 : 72,827,577.45 = 19,782,170.70 : x - Step 2: Convert to fraction form
48,551,718.30/72,827,577.45 = 19,782,170.70/x - Step 3: Cross multiply
48,551,718.30x = 72,827,577.45 × 19,782,170.70 - Step 4: Simplify right side
48,551,718.30x = 1,440,687,568,783,370.75 - Step 5: Solve for x
x = 1,440,687,568,783,370.75/48,551,718.30 - Step 6: Final answer
x = 29,673,256.05
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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.