Finding the Fourth Proportional to 36,219,292.40, 54,310,276.20 and 13,488,489.20
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Solution
The fourth proportional to 36,219,292.40, 54,310,276.20 and 13,488,489.20 is: 20,225,783.70
Step by Step Solution
- Step 1: Write the proportion equation
36,219,292.40 : 54,310,276.20 = 13,488,489.20 : x - Step 2: Convert to fraction form
36,219,292.40/54,310,276.20 = 13,488,489.20/x - Step 3: Cross multiply
36,219,292.40x = 54,310,276.20 × 13,488,489.20 - Step 4: Simplify right side
36,219,292.40x = 732,563,573,972,717 - Step 5: Solve for x
x = 732,563,573,972,717/36,219,292.40 - Step 6: Final answer
x = 20,225,783.70
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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.