Finding the Fourth Proportional to 10,261,283.60, 15,381,773.40 and 4,860,441.20
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Solution
The fourth proportional to 10,261,283.60, 15,381,773.40 and 4,860,441.20 is: 7,285,853.12
Step by Step Solution
- Step 1: Write the proportion equation
10,261,283.60 : 15,381,773.40 = 4,860,441.20 : x - Step 2: Convert to fraction form
10,261,283.60/15,381,773.40 = 4,860,441.20/x - Step 3: Cross multiply
10,261,283.60x = 15,381,773.40 × 4,860,441.20 - Step 4: Simplify right side
10,261,283.60x = 74,762,205,162,424.08 - Step 5: Solve for x
x = 74,762,205,162,424.08/10,261,283.60 - Step 6: Final answer
x = 7,285,853.12
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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.