Finding the Fourth Proportional to 8,479,562.84, 11,700,734.63 and 5,732,227.92
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Solution
The fourth proportional to 8,479,562.84, 11,700,734.63 and 5,732,227.92 is: 7,909,756.55
Step by Step Solution
- Step 1: Write the proportion equation
8,479,562.84 : 11,700,734.63 = 5,732,227.92 : x - Step 2: Convert to fraction form
8,479,562.84/11,700,734.63 = 5,732,227.92/x - Step 3: Cross multiply
8,479,562.84x = 11,700,734.63 × 5,732,227.92 - Step 4: Simplify right side
8,479,562.84x = 67,071,277,701,935.73 - Step 5: Solve for x
x = 67,071,277,701,935.73/8,479,562.84 - Step 6: Final answer
x = 7,909,756.55
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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.