Finding the Fourth Proportional to 48,215,278.54, 66,537,623.57 and 28,373,430.56
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Solution
The fourth proportional to 48,215,278.54, 66,537,623.57 and 28,373,430.56 is: 39,155,651.48
Step by Step Solution
- Step 1: Write the proportion equation
48,215,278.54 : 66,537,623.57 = 28,373,430.56 : x - Step 2: Convert to fraction form
48,215,278.54/66,537,623.57 = 28,373,430.56/x - Step 3: Cross multiply
48,215,278.54x = 66,537,623.57 × 28,373,430.56 - Step 4: Simplify right side
48,215,278.54x = 1,887,900,642,228,092 - Step 5: Solve for x
x = 1,887,900,642,228,092/48,215,278.54 - Step 6: Final answer
x = 39,155,651.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.