Finding the Fourth Proportional to 35,319,149.84, 48,729,472.40 and 20,624,215.70
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Solution
The fourth proportional to 35,319,149.84, 48,729,472.40 and 20,624,215.70 is: 28,455,020.98
Step by Step Solution
- Step 1: Write the proportion equation
35,319,149.84 : 48,729,472.40 = 20,624,215.70 : x - Step 2: Convert to fraction form
35,319,149.84/48,729,472.40 = 20,624,215.70/x - Step 3: Cross multiply
35,319,149.84x = 48,729,472.40 × 20,624,215.70 - Step 4: Simplify right side
35,319,149.84x = 1,005,007,149,378,028.38 - Step 5: Solve for x
x = 1,005,007,149,378,028.38/35,319,149.84 - Step 6: Final answer
x = 28,455,020.98
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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.