Finding the Fourth Proportional to 15,515,904.40, 23,284,354.20 and 6,991,853.20
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Solution
The fourth proportional to 15,515,904.40, 23,284,354.20 and 6,991,853.20 is: 10,492,510.28
Step by Step Solution
- Step 1: Write the proportion equation
15,515,904.40 : 23,284,354.20 = 6,991,853.20 : x - Step 2: Convert to fraction form
15,515,904.40/23,284,354.20 = 6,991,853.20/x - Step 3: Cross multiply
15,515,904.40x = 23,284,354.20 × 6,991,853.20 - Step 4: Simplify right side
15,515,904.40x = 162,800,786,423,203.44 - Step 5: Solve for x
x = 162,800,786,423,203.44/15,515,904.40 - Step 6: Final answer
x = 10,492,510.28
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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.