Finding the Fourth Proportional to 11,199,564.20, 15,455,424.15 and 6,237,965.84
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Solution
The fourth proportional to 11,199,564.20, 15,455,424.15 and 6,237,965.84 is: 8,608,407.09
Step by Step Solution
- Step 1: Write the proportion equation
11,199,564.20 : 15,455,424.15 = 6,237,965.84 : x - Step 2: Convert to fraction form
11,199,564.20/15,455,424.15 = 6,237,965.84/x - Step 3: Cross multiply
11,199,564.20x = 15,455,424.15 × 6,237,965.84 - Step 4: Simplify right side
11,199,564.20x = 96,410,407,890,411.03 - Step 5: Solve for x
x = 96,410,407,890,411.03/11,199,564.20 - Step 6: Final answer
x = 8,608,407.09
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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.