Finding the Fourth Proportional to 11,939,137.84, 16,473,993.08 and 6,711,449.68
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Solution
The fourth proportional to 11,939,137.84, 16,473,993.08 and 6,711,449.68 is: 9,260,666.65
Step by Step Solution
- Step 1: Write the proportion equation
11,939,137.84 : 16,473,993.08 = 6,711,449.68 : x - Step 2: Convert to fraction form
11,939,137.84/16,473,993.08 = 6,711,449.68/x - Step 3: Cross multiply
11,939,137.84x = 16,473,993.08 × 6,711,449.68 - Step 4: Simplify right side
11,939,137.84x = 110,564,375,585,088.20 - Step 5: Solve for x
x = 110,564,375,585,088.20/11,939,137.84 - Step 6: Final answer
x = 9,260,666.65
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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.