Finding the Fourth Proportional to 49,925,911.20, 74,895,865.20 and 19,626,727.20
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Solution
The fourth proportional to 49,925,911.20, 74,895,865.20 and 19,626,727.20 is: 29,442,841.99
Step by Step Solution
- Step 1: Write the proportion equation
49,925,911.20 : 74,895,865.20 = 19,626,727.20 : x - Step 2: Convert to fraction form
49,925,911.20/74,895,865.20 = 19,626,727.20/x - Step 3: Cross multiply
49,925,911.20x = 74,895,865.20 × 19,626,727.20 - Step 4: Simplify right side
49,925,911.20x = 1,469,960,714,688,373.50 - Step 5: Solve for x
x = 1,469,960,714,688,373.50/49,925,911.20 - Step 6: Final answer
x = 29,442,841.99
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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.