Finding the Fourth Proportional to 10,343,509.40, 15,504,618.39 and 4,588,953.09
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Solution
The fourth proportional to 10,343,509.40, 15,504,618.39 and 4,588,953.09 is: 6,878,706.61
Step by Step Solution
- Step 1: Write the proportion equation
10,343,509.40 : 15,504,618.39 = 4,588,953.09 : x - Step 2: Convert to fraction form
10,343,509.40/15,504,618.39 = 4,588,953.09/x - Step 3: Cross multiply
10,343,509.40x = 15,504,618.39 × 4,588,953.09 - Step 4: Simplify right side
10,343,509.40x = 71,149,966,507,736.78 - Step 5: Solve for x
x = 71,149,966,507,736.78/10,343,509.40 - Step 6: Final answer
x = 6,878,706.61
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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.