Finding the Fourth Proportional to 10,965,189.84, 15,133,545.57 and 6,318,085.17
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Solution
The fourth proportional to 10,965,189.84, 15,133,545.57 and 6,318,085.17 is: 8,719,869.99
Step by Step Solution
- Step 1: Write the proportion equation
10,965,189.84 : 15,133,545.57 = 6,318,085.17 : x - Step 2: Convert to fraction form
10,965,189.84/15,133,545.57 = 6,318,085.17/x - Step 3: Cross multiply
10,965,189.84x = 15,133,545.57 × 6,318,085.17 - Step 4: Simplify right side
10,965,189.84x = 95,615,029,835,336.20 - Step 5: Solve for x
x = 95,615,029,835,336.20/10,965,189.84 - Step 6: Final answer
x = 8,719,869.99
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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.