Finding the Fourth Proportional to 7,046,637.36, 9,724,194.13 and 4,146,216.09
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Solution
The fourth proportional to 7,046,637.36, 9,724,194.13 and 4,146,216.09 is: 5,721,680.87
Step by Step Solution
- Step 1: Write the proportion equation
7,046,637.36 : 9,724,194.13 = 4,146,216.09 : x - Step 2: Convert to fraction form
7,046,637.36/9,724,194.13 = 4,146,216.09/x - Step 3: Cross multiply
7,046,637.36x = 9,724,194.13 × 4,146,216.09 - Step 4: Simplify right side
7,046,637.36x = 40,318,610,164,089.55 - Step 5: Solve for x
x = 40,318,610,164,089.55/7,046,637.36 - Step 6: Final answer
x = 5,721,680.87
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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.