Finding the Fourth Proportional to 51,296,441.19, 76,944,814.87 and 12,434,739.09
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Solution
The fourth proportional to 51,296,441.19, 76,944,814.87 and 12,434,739.09 is: 18,652,145.74
Step by Step Solution
- Step 1: Write the proportion equation
51,296,441.19 : 76,944,814.87 = 12,434,739.09 : x - Step 2: Convert to fraction form
51,296,441.19/76,944,814.87 = 12,434,739.09/x - Step 3: Cross multiply
51,296,441.19x = 76,944,814.87 × 12,434,739.09 - Step 4: Simplify right side
51,296,441.19x = 956,788,697,236,802.38 - Step 5: Solve for x
x = 956,788,697,236,802.38/51,296,441.19 - Step 6: Final answer
x = 18,652,145.74
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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.