Finding the Fourth Proportional to 11,029,519.65, 15,220,518.81 and 6,134,636.37
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Solution
The fourth proportional to 11,029,519.65, 15,220,518.81 and 6,134,636.37 is: 8,465,676.77
Step by Step Solution
- Step 1: Write the proportion equation
11,029,519.65 : 15,220,518.81 = 6,134,636.37 : x - Step 2: Convert to fraction form
11,029,519.65/15,220,518.81 = 6,134,636.37/x - Step 3: Cross multiply
11,029,519.65x = 15,220,518.81 × 6,134,636.37 - Step 4: Simplify right side
11,029,519.65x = 93,372,348,262,095.12 - Step 5: Solve for x
x = 93,372,348,262,095.12/11,029,519.65 - Step 6: Final answer
x = 8,465,676.77
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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.