Finding the Fourth Proportional to 36,207,346.40, 54,374,005.20 and 19,201,234.40
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Solution
The fourth proportional to 36,207,346.40, 54,374,005.20 and 19,201,234.40 is: 28,835,253.70
Step by Step Solution
- Step 1: Write the proportion equation
36,207,346.40 : 54,374,005.20 = 19,201,234.40 : x - Step 2: Convert to fraction form
36,207,346.40/54,374,005.20 = 19,201,234.40/x - Step 3: Cross multiply
36,207,346.40x = 54,374,005.20 × 19,201,234.40 - Step 4: Simplify right side
36,207,346.40x = 1,044,048,019,112,018.88 - Step 5: Solve for x
x = 1,044,048,019,112,018.88/36,207,346.40 - Step 6: Final answer
x = 28,835,253.70
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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.