Finding the Fourth Proportional to 40,724,890.08, 56,198,902.32 and 22,390,042.08
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Solution
The fourth proportional to 40,724,890.08, 56,198,902.32 and 22,390,042.08 is: 30,897,463.08
Step by Step Solution
- Step 1: Write the proportion equation
40,724,890.08 : 56,198,902.32 = 22,390,042.08 : x - Step 2: Convert to fraction form
40,724,890.08/56,198,902.32 = 22,390,042.08/x - Step 3: Cross multiply
40,724,890.08x = 56,198,902.32 × 22,390,042.08 - Step 4: Simplify right side
40,724,890.08x = 1,258,295,787,794,609.50 - Step 5: Solve for x
x = 1,258,295,787,794,609.50/40,724,890.08 - Step 6: Final answer
x = 30,897,463.08
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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.