Finding the Fourth Proportional to 7,889,124.30, 10,887,161.46 and 4,356,910
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Solution
The fourth proportional to 7,889,124.30, 10,887,161.46 and 4,356,910 is: 6,012,629.64
Step by Step Solution
- Step 1: Write the proportion equation
7,889,124.30 : 10,887,161.46 = 4,356,910 : x - Step 2: Convert to fraction form
7,889,124.30/10,887,161.46 = 4,356,910/x - Step 3: Cross multiply
7,889,124.30x = 10,887,161.46 × 4,356,910 - Step 4: Simplify right side
7,889,124.30x = 47,434,382,636,688.60 - Step 5: Solve for x
x = 47,434,382,636,688.60/7,889,124.30 - Step 6: Final answer
x = 6,012,629.64
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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.