Finding the Fourth Proportional to 21,704,420.14, 32,539,579.44 and 14,860,290.16
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Solution
The fourth proportional to 21,704,420.14, 32,539,579.44 and 14,860,290.16 is: 22,278,761.15
Step by Step Solution
- Step 1: Write the proportion equation
21,704,420.14 : 32,539,579.44 = 14,860,290.16 : x - Step 2: Convert to fraction form
21,704,420.14/32,539,579.44 = 14,860,290.16/x - Step 3: Cross multiply
21,704,420.14x = 32,539,579.44 × 14,860,290.16 - Step 4: Simplify right side
21,704,420.14x = 483,547,592,162,770.31 - Step 5: Solve for x
x = 483,547,592,162,770.31/21,704,420.14 - Step 6: Final answer
x = 22,278,761.15
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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.