Finding the Fourth Proportional to 7,748,232.60, 11,618,201.70 and 3,255,432.60
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Solution
The fourth proportional to 7,748,232.60, 11,618,201.70 and 3,255,432.60 is: 4,881,406.45
Step by Step Solution
- Step 1: Write the proportion equation
7,748,232.60 : 11,618,201.70 = 3,255,432.60 : x - Step 2: Convert to fraction form
7,748,232.60/11,618,201.70 = 3,255,432.60/x - Step 3: Cross multiply
7,748,232.60x = 11,618,201.70 × 3,255,432.60 - Step 4: Simplify right side
7,748,232.60x = 37,822,272,567,555.42 - Step 5: Solve for x
x = 37,822,272,567,555.42/7,748,232.60 - Step 6: Final answer
x = 4,881,406.45
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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.