Finding the Fourth Proportional to 7,216,751.24, 9,959,115.87 and 4,316,141.66
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Solution
The fourth proportional to 7,216,751.24, 9,959,115.87 and 4,316,141.66 is: 5,956,274.99
Step by Step Solution
- Step 1: Write the proportion equation
7,216,751.24 : 9,959,115.87 = 4,316,141.66 : x - Step 2: Convert to fraction form
7,216,751.24/9,959,115.87 = 4,316,141.66/x - Step 3: Cross multiply
7,216,751.24x = 9,959,115.87 × 4,316,141.66 - Step 4: Simplify right side
7,216,751.24x = 42,984,954,903,274.14 - Step 5: Solve for x
x = 42,984,954,903,274.14/7,216,751.24 - Step 6: Final answer
x = 5,956,274.99
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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.