Finding the Fourth Proportional to 11,583,486.60, 17,358,122.70 and 8,395,326.60
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Solution
The fourth proportional to 11,583,486.60, 17,358,122.70 and 8,395,326.60 is: 12,580,591.17
Step by Step Solution
- Step 1: Write the proportion equation
11,583,486.60 : 17,358,122.70 = 8,395,326.60 : x - Step 2: Convert to fraction form
11,583,486.60/17,358,122.70 = 8,395,326.60/x - Step 3: Cross multiply
11,583,486.60x = 17,358,122.70 × 8,395,326.60 - Step 4: Simplify right side
11,583,486.60x = 145,727,109,229,373.81 - Step 5: Solve for x
x = 145,727,109,229,373.81/11,583,486.60 - Step 6: Final answer
x = 12,580,591.17
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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.