Finding the Fourth Proportional to 42,282,478.22, 58,354,660.48 and 23,702,636.56
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Solution
The fourth proportional to 42,282,478.22, 58,354,660.48 and 23,702,636.56 is: 32,712,351.95
Step by Step Solution
- Step 1: Write the proportion equation
42,282,478.22 : 58,354,660.48 = 23,702,636.56 : x - Step 2: Convert to fraction form
42,282,478.22/58,354,660.48 = 23,702,636.56/x - Step 3: Cross multiply
42,282,478.22x = 58,354,660.48 × 23,702,636.56 - Step 4: Simplify right side
42,282,478.22x = 1,383,159,308,939,635 - Step 5: Solve for x
x = 1,383,159,308,939,635/42,282,478.22 - Step 6: Final answer
x = 32,712,351.95
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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.