Finding the Fourth Proportional to 7,659,856.14, 11,488,540.05 and 3,616,336.14
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Solution
The fourth proportional to 7,659,856.14, 11,488,540.05 and 3,616,336.14 is: 5,423,916.82
Step by Step Solution
- Step 1: Write the proportion equation
7,659,856.14 : 11,488,540.05 = 3,616,336.14 : x - Step 2: Convert to fraction form
7,659,856.14/11,488,540.05 = 3,616,336.14/x - Step 3: Cross multiply
7,659,856.14x = 11,488,540.05 × 3,616,336.14 - Step 4: Simplify right side
7,659,856.14x = 41,546,422,578,652.41 - Step 5: Solve for x
x = 41,546,422,578,652.41/7,659,856.14 - Step 6: Final answer
x = 5,423,916.82
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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.