Finding the Fourth Proportional to 51,296,551.14, 76,944,981.42 and 12,434,850.66
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Solution
The fourth proportional to 51,296,551.14, 76,944,981.42 and 12,434,850.66 is: 18,652,313.49
Step by Step Solution
- Step 1: Write the proportion equation
51,296,551.14 : 76,944,981.42 = 12,434,850.66 : x - Step 2: Convert to fraction form
51,296,551.14/76,944,981.42 = 12,434,850.66/x - Step 3: Cross multiply
51,296,551.14x = 76,944,981.42 × 12,434,850.66 - Step 4: Simplify right side
51,296,551.14x = 956,799,352,994,174.75 - Step 5: Solve for x
x = 956,799,352,994,174.75/51,296,551.14 - Step 6: Final answer
x = 18,652,313.49
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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.