Finding the Fourth Proportional to 7,391,081.70, 11,077,291.35 and 6,551,273.70
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Solution
The fourth proportional to 7,391,081.70, 11,077,291.35 and 6,551,273.70 is: 9,818,639.60
Step by Step Solution
- Step 1: Write the proportion equation
7,391,081.70 : 11,077,291.35 = 6,551,273.70 : x - Step 2: Convert to fraction form
7,391,081.70/11,077,291.35 = 6,551,273.70/x - Step 3: Cross multiply
7,391,081.70x = 11,077,291.35 × 6,551,273.70 - Step 4: Simplify right side
7,391,081.70x = 72,570,367,488,492.50 - Step 5: Solve for x
x = 72,570,367,488,492.50/7,391,081.70 - Step 6: Final answer
x = 9,818,639.60
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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.