Finding the Fourth Proportional to 7,486,815.44, 10,331,812.14 and 4,049,056.46
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Solution
The fourth proportional to 7,486,815.44, 10,331,812.14 and 4,049,056.46 is: 5,587,701.61
Step by Step Solution
- Step 1: Write the proportion equation
7,486,815.44 : 10,331,812.14 = 4,049,056.46 : x - Step 2: Convert to fraction form
7,486,815.44/10,331,812.14 = 4,049,056.46/x - Step 3: Cross multiply
7,486,815.44x = 10,331,812.14 × 4,049,056.46 - Step 4: Simplify right side
7,486,815.44x = 41,834,090,688,973.43 - Step 5: Solve for x
x = 41,834,090,688,973.43/7,486,815.44 - Step 6: Final answer
x = 5,587,701.61
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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.