Finding the Fourth Proportional to 28,436,709.97, 39,243,772.38 and 16,674,343.57
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Solution
The fourth proportional to 28,436,709.97, 39,243,772.38 and 16,674,343.57 is: 23,011,246.53
Step by Step Solution
- Step 1: Write the proportion equation
28,436,709.97 : 39,243,772.38 = 16,674,343.57 : x - Step 2: Convert to fraction form
28,436,709.97/39,243,772.38 = 16,674,343.57/x - Step 3: Cross multiply
28,436,709.97x = 39,243,772.38 × 16,674,343.57 - Step 4: Simplify right side
28,436,709.97x = 654,364,143,646,996.62 - Step 5: Solve for x
x = 654,364,143,646,996.62/28,436,709.97 - Step 6: Final answer
x = 23,011,246.53
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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.