Finding the Fourth Proportional to 56,176,939.44, 84,265,409.18 and 15,787,423.44
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Solution
The fourth proportional to 56,176,939.44, 84,265,409.18 and 15,787,423.44 is: 23,681,135.17
Step by Step Solution
- Step 1: Write the proportion equation
56,176,939.44 : 84,265,409.18 = 15,787,423.44 : x - Step 2: Convert to fraction form
56,176,939.44/84,265,409.18 = 15,787,423.44/x - Step 3: Cross multiply
56,176,939.44x = 84,265,409.18 × 15,787,423.44 - Step 4: Simplify right side
56,176,939.44x = 1,330,333,696,069,523.25 - Step 5: Solve for x
x = 1,330,333,696,069,523.25/56,176,939.44 - Step 6: Final answer
x = 23,681,135.17
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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.