Finding the Fourth Proportional to 7,908,284.96, 10,913,422.80 and 4,286,612
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Solution
The fourth proportional to 7,908,284.96, 10,913,422.80 and 4,286,612 is: 5,915,518.90
Step by Step Solution
- Step 1: Write the proportion equation
7,908,284.96 : 10,913,422.80 = 4,286,612 : x - Step 2: Convert to fraction form
7,908,284.96/10,913,422.80 = 4,286,612/x - Step 3: Cross multiply
7,908,284.96x = 10,913,422.80 × 4,286,612 - Step 4: Simplify right side
7,908,284.96x = 46,781,609,135,553.60 - Step 5: Solve for x
x = 46,781,609,135,553.60/7,908,284.96 - Step 6: Final answer
x = 5,915,518.90
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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.