Finding the Fourth Proportional to 10,657,272.48, 15,983,497.71 and 4,894,465.92
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Solution
The fourth proportional to 10,657,272.48, 15,983,497.71 and 4,894,465.92 is: 7,340,591.60
Step by Step Solution
- Step 1: Write the proportion equation
10,657,272.48 : 15,983,497.71 = 4,894,465.92 : x - Step 2: Convert to fraction form
10,657,272.48/15,983,497.71 = 4,894,465.92/x - Step 3: Cross multiply
10,657,272.48x = 15,983,497.71 × 4,894,465.92 - Step 4: Simplify right side
10,657,272.48x = 78,230,684,823,993.05 - Step 5: Solve for x
x = 78,230,684,823,993.05/10,657,272.48 - Step 6: Final answer
x = 7,340,591.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.