Finding the Fourth Proportional to 7,042,533.84, 9,718,737.12 and 4,142,046.96
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Solution
The fourth proportional to 7,042,533.84, 9,718,737.12 and 4,142,046.96 is: 5,716,048.58
Step by Step Solution
- Step 1: Write the proportion equation
7,042,533.84 : 9,718,737.12 = 4,142,046.96 : x - Step 2: Convert to fraction form
7,042,533.84/9,718,737.12 = 4,142,046.96/x - Step 3: Cross multiply
7,042,533.84x = 9,718,737.12 × 4,142,046.96 - Step 4: Simplify right side
7,042,533.84x = 40,255,465,542,935.15 - Step 5: Solve for x
x = 40,255,465,542,935.15/7,042,533.84 - Step 6: Final answer
x = 5,716,048.58
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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.