Finding the Fourth Proportional to 15,251,910.40, 22,866,201.60 and 7,684,307.20
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Solution
The fourth proportional to 15,251,910.40, 22,866,201.60 and 7,684,307.20 is: 11,520,584.17
Step by Step Solution
- Step 1: Write the proportion equation
15,251,910.40 : 22,866,201.60 = 7,684,307.20 : x - Step 2: Convert to fraction form
15,251,910.40/22,866,201.60 = 7,684,307.20/x - Step 3: Cross multiply
15,251,910.40x = 22,866,201.60 × 7,684,307.20 - Step 4: Simplify right side
15,251,910.40x = 175,710,917,591,531.53 - Step 5: Solve for x
x = 175,710,917,591,531.53/15,251,910.40 - Step 6: Final answer
x = 11,520,584.17
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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.