Finding the Fourth Proportional to 7,842,960.26, 10,822,889.70 and 4,358,224.21
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Solution
The fourth proportional to 7,842,960.26, 10,822,889.70 and 4,358,224.21 is: 6,014,129.65
Step by Step Solution
- Step 1: Write the proportion equation
7,842,960.26 : 10,822,889.70 = 4,358,224.21 : x - Step 2: Convert to fraction form
7,842,960.26/10,822,889.70 = 4,358,224.21/x - Step 3: Cross multiply
7,842,960.26x = 10,822,889.70 × 4,358,224.21 - Step 4: Simplify right side
7,842,960.26x = 47,168,579,905,935.32 - Step 5: Solve for x
x = 47,168,579,905,935.32/7,842,960.26 - Step 6: Final answer
x = 6,014,129.65
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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.