Finding the Fourth Proportional to 26,608,830.40, 39,913,245.60 and 7,439,556.70
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Solution
The fourth proportional to 26,608,830.40, 39,913,245.60 and 7,439,556.70 is: 11,159,335.05
Step by Step Solution
- Step 1: Write the proportion equation
26,608,830.40 : 39,913,245.60 = 7,439,556.70 : x - Step 2: Convert to fraction form
26,608,830.40/39,913,245.60 = 7,439,556.70/x - Step 3: Cross multiply
26,608,830.40x = 39,913,245.60 × 7,439,556.70 - Step 4: Simplify right side
26,608,830.40x = 296,936,853,722,225.56 - Step 5: Solve for x
x = 296,936,853,722,225.56/26,608,830.40 - Step 6: Final answer
x = 11,159,335.05
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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.