Finding the Fourth Proportional to 39,688,585.92, 54,769,551.84 and 22,285,068.48
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Solution
The fourth proportional to 39,688,585.92, 54,769,551.84 and 22,285,068.48 is: 30,753,003.29
Step by Step Solution
- Step 1: Write the proportion equation
39,688,585.92 : 54,769,551.84 = 22,285,068.48 : x - Step 2: Convert to fraction form
39,688,585.92/54,769,551.84 = 22,285,068.48/x - Step 3: Cross multiply
39,688,585.92x = 54,769,551.84 × 22,285,068.48 - Step 4: Simplify right side
39,688,585.92x = 1,220,543,213,373,310 - Step 5: Solve for x
x = 1,220,543,213,373,310/39,688,585.92 - Step 6: Final answer
x = 30,753,003.29
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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.