Finding the Fourth Proportional to 7,688,324.84, 10,608,128.70 and 4,590,246.56
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Solution
The fourth proportional to 7,688,324.84, 10,608,128.70 and 4,590,246.56 is: 6,333,489.71
Step by Step Solution
- Step 1: Write the proportion equation
7,688,324.84 : 10,608,128.70 = 4,590,246.56 : x - Step 2: Convert to fraction form
7,688,324.84/10,608,128.70 = 4,590,246.56/x - Step 3: Cross multiply
7,688,324.84x = 10,608,128.70 × 4,590,246.56 - Step 4: Simplify right side
7,688,324.84x = 48,693,926,273,212.27 - Step 5: Solve for x
x = 48,693,926,273,212.27/7,688,324.84 - Step 6: Final answer
x = 6,333,489.71
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1.5x scale
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.