Finding the Fourth Proportional to 10,372,644.24, 15,550,908.34 and 6,721,661.60
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Solution
The fourth proportional to 10,372,644.24, 15,550,908.34 and 6,721,661.60 is: 10,077,270.66
Step by Step Solution
- Step 1: Write the proportion equation
10,372,644.24 : 15,550,908.34 = 6,721,661.60 : x - Step 2: Convert to fraction form
10,372,644.24/15,550,908.34 = 6,721,661.60/x - Step 3: Cross multiply
10,372,644.24x = 15,550,908.34 × 6,721,661.60 - Step 4: Simplify right side
10,372,644.24x = 104,527,943,434,097.73 - Step 5: Solve for x
x = 104,527,943,434,097.73/10,372,644.24 - Step 6: Final answer
x = 10,077,270.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.